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Comparison IME-DC iDia vs Accu-Chek Performa Nano

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IME-DC iDia
Accu-Chek Performa Nano
IME-DC iDiaAccu-Chek Performa Nano
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Typeelectrochemicalelectrochemical
Measuring duration7 с5 с
Memory capacity700 measurements500 measurements
Measurements
Measurements
glucose
ketones
glucose
ketones
Additional modes
test
 
 
test
without eating
after eating
Averaging
in a day
in a week
in 14 days
 
in 2 months
per quarter
 
in a week
in 14 days
in a month
 
per quarter
Specs
Measurement range0.6 - 33.3 mmol/l0.6 - 33.3 mmol/l
Sample volume0.7 µl0.6 µl
Hematocrit20 - 70 %10 - 65 %
Encodingcodelesschip
Blood samplecapillarycapillary
Features
 
date and time
 
synchronization with PC
backlight
alert
auto switch-off
food note
date and time
alarm clock
synchronization with PC
backlight
alert
auto switch-off
In box
Test strips10 pcs10 pcs
Lancets10 pcs10 pcs
Lancet device
Cover/case
General
Calibrationplasma
Displaymonochromemonochrome
Power source2xCR20322xCR2032
Dimensions90х52х15 mm43x69х20 mm
Weight40 g
Added to E-Catalogmarch 2017february 2017

Measuring duration

The measurement time of a blood glucose monitor is the duration from inserting a test strip with a blood sample into the device to receiving the result. While a shorter measurement duration theoretically enhances convenience by reducing the time spent on measurements, most modern blood glucose monitors complete this process in under 20 seconds, causing minimal inconvenience. Therefore, seeking the fastest model may not be particularly meaningful in practical terms.

Memory capacity

The maximum number of test results that a blood glucose monitor can store at once is crucial for monitoring changes in blood composition. The built-in memory of blood glucose monitors is highly convenient, automatically saving data without requiring extra steps from the user. Additionally, many devices can enhance measurement results with supplementary information, including date, time, and food markers.

Knowing the frequency of measurements and the amount of memory, you can determine how long this memory will last before overflowing. For example, if the device is designed for 500 results, and measurements are taken 4 times a day, then measurements can be stored in the built-in memory for 500/4 — 125 days, that is, about 4 months.

Additional modes

Test. To verify the functionality and accuracy of a blood glucose monitor, a control solution test is typically performed. This involves applying two control solutions with known glucose concentrations to the strips instead of blood. If the blood glucose monitor readings align with the expected values of the solutions, it indicates proper functionality. Periodic performance tests, ideally conducted weekly, are recommended, especially in cases of doubt about measurement results, such as discrepancies with one's health status.

No food intake. The mode of measuring blood counts on an empty stomach, before meals. It is used, in particular, to diagnose diabetes in the early stages, as well as to evaluate the effectiveness of drug-free (with the help of a diet) treatment of type 1 diabetes. Analysis data is stored in memory marked "on an empty stomach"; this allows you to track the trend over time.

— After eating. The mode of measuring blood parameters "on a full stomach", after eating. It is used, in particular, in insulin-dependent diabetes — to evaluate the effectiveness and correct the current dosage of insulin. The measurement results are stored in memory marked "after eating" in order to make it easier to track changes over a certain period of time.

Averaging

Options for averaging results provided in the blood glucose monitors.

Averaging is the derivation of the average measurement result (primarily the average glucose level) over a certain period. The need for such calculations is due to the fact that with individual measurements, the indicators are affected by momentary factors, while the general trend must be determined by average numbers. In modern blood glucose monitors, averaging can be provided for different periods — from 1 day to a quarter.

Sample volume

The minimum amount of blood required for testing. The average volume of a drop of blood released when pricked with a lancet is 1 µl; that is, if the sample volume is larger, a little more blood will need to be squeezed out.

Note that in fact, the volume can be taken with a margin — most blood glucose monitors work normally even with more blood than necessary. But too little material leads to serious inaccuracies in the readings, so this parameter should not be neglected.

Hematocrit

The hematocrit values for which the device is designed.

Hematocrit reflects the overall red blood cell count in the blood, influencing blood viscosity and electrochemical properties. Glucometers are calibrated for specific hematocrit ranges. When these limits are surpassed, inaccuracies arise — low hematocrit levels can lead to device overestimation, while high levels can result in underestimation.

Modern blood glucose monitors typically have a hematocrit range of 30 – 50%, which effectively encompasses normal adult blood viscosity values (36 – 48%). Issues may only arise in cases of significant deviations from the norm. Some devices offer an even broader operating range.

Encoding

The encoding method provided in the device.

Encoding involves configuring the device for a specific set of test strips. This is necessary because test strips of the same type in different packages may contain different reagents. To ensure precise results, the device must be adjusted to a particular batch of strips, although there are exceptions — details below.

Codeless. Codeless blood glucose monitors are the most convenient and cost-effective option. However, they are less accurate because they don't account for the specific features of the test strips in their design, potentially introducing some error in measurement results. Despite this, the margin of error is often negligible, making them suitable for certain user categories, especially the elderly who may appreciate the simplicity of use without unnecessary settings.

Chip. Encoding using a replaceable chip. Such a chip is supplied with each package of test strips and is installed in the metre before using the package. Changing the chip is much easier and more convenient than entering the code manually (see "Code"), this option is quite popular in modern blood glucose monitors.

Automatic. Automatic encoding, requiring no additional user actions, involves applying a code to each test strip. The device reads this code during use, automatically adjus...ting to the specific characteristics of the strip. This option is both convenient and accurate, but the consumables for such devices can be relatively costly. — Code. Manual encoding requires users to enter the code from a new pack of test strips into the monitor before use. While cost-effective and fairly accurate, this method can be inconvenient for some users, especially the elderly. Given the availability of more advanced and user-friendly encoding technologies, devices with manual code entry are uncommon.

Features

Food note. The feature to annotate measurement results with information about the timing, specifically whether the analysis was conducted before or after a meal, is valuable. Devices with this capability can not only add notes to results but also gather separate statistics, such as averaging, for each result type. This method of data collection is considered optimal because glucose levels before and after a meal are distinct parameters with unique characteristics.

Date and time. The presence of a built-in clock and calendar in the blood glucose monitor. This function is intended mainly to record the time and date of each measurement — an indispensable function for collecting statistics. However, information about the time and date can be useful for purely domestic purposes.

Alarm clock. Classic alarm clock — a sound signal given by the device at a specified time. In glucometers, this function is intended not so much for getting up in the morning (although it can be used for this purpose), but to remind you that the time has come to take another measurement.

Voice notification. Blood glucose monitors with voice capabilities can audibly announce measurement results and may offer other functions through the built-in speaker. This feature is particularly beneficial for indivi...duals with visual impairments who face challenges in reading the display.

Synchronization with PC. The device's ability to sync with a computer, typically through USB connection, allows for the transfer of collected data since the last synchronization. A specialized application on the computer processes this data, offering more extensive functions than the device itself. These may include daily graph plotting, identifying minimum and maximum values, averaging for specific periods (refer to the relevant section), and facilitating data transfer to the attending physician.

Backlight. The presence of a backlight in the display of the device allows you to read readings from it in low light conditions — up to complete darkness. The backlight can turn on automatically or by pressing a special button.

Alert. An audible alert signals users when certain blood parameters reach critical levels, particularly designed for individuals facing health issues that impede reading the display (e.g., blurred vision). The alarm threshold is typically adjustable manually, tailored to individual cases and established in consultation with a doctor.

Auto swicth-off. Automatic shutdown function after a certain period of inactivity. Provides battery saving and eliminates the need for the user to manually turn off the device; some models do not provide manual shutdown at all — only automatic. The auto-off time, usually, is several minutes — in such a way that the user can familiarize himself with the measurement results without fuss.

Auto-ejecting test strip. Automatic ejection of the test strip: when the test is completed and the result is obtained, the device opens the holder, allowing the strip to fall out freely. In models without auto ejection, you usually need to press the appropriate button to remove the strip.

Calibration

The calibration method of a blood glucose monitor determines whether it measures glucose in plasma or whole blood. In simpler terms, it answers the question, "which part of the blood is the glucose level measured in?"

Household appliances typically measure glucose in whole blood, while laboratory conditions prefer plasma for greater accuracy and reliability. Despite having the same glucose level, plasma results are 11 – 12% higher than whole blood results. To compare home measurements with lab indicators, it's essential to know the calibration component of the blood glucose monitor.

There are universal devices that can measure glucose both in whole blood and in plasma — at the user's choice.
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