Smartphone application for wound area measurement in clinical practice
2021
Abstract Eighty-five consecutive patients had their wound areas measured. The procedure was executed in two parts. The first was the photography of the wound by a smartphone and measurements with imitoMeasure application (imito) by two raters. The second was the photography of the same wound by a 10-megapixel digital camera and posterior measurement of the area with ImageJ software by one operator. The mean area of the wounds was 12.20±10.45 cm2 for imito and 12.67±10.86 cm2 for ImageJ measurement. The interclass correlation coefficient (ICC) between ImageJ and imito was 0.978 (for a single measure) and 0.989 (for the average measure). Considering the two measurements, the ICC demonstrated an excellent interobserver correlation using imito (0.987). Larger wounds had a higher difference between the methods (4.28% higher in the ImageJ measurement, considering areas larger than 9 cm2). There was no difference between iOS (ICC: 0.995) and Android (ICC: 0.970) smartphone operating systems. The smartphone application is a useful method for area measurement with excellent accuracy compared with digital photography and ImageJ processing tool.
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