Table 1. Demographic Information of the Healthy, NIDFU and IDFU Groups ^a.

Demographic	Healthy Group b	NIDFU Group b	IDFU Group b	Total b
Number	30	30	30	90
Age, y	38.1 ± 7.4	54.9 ± 8.6	61.4 ± 10.6	51.5 ± 13.2
Diabetic age, y	_	13.9 ± 5.6	15.1 ± 9.3	14.5 ± 7.6
Sex (male/female)	21/9	17/13	14/16	52/38
FBS d, mg/dL	98.7 ± 17.5	128 ± 31.6c	215 ± 77.0c	147.2 ± 69.4
HbA1c level, %	5.6 ± 0.3	6 ± 1.3	9.3 ± 1.7c	7 ± 2

^a Infected diabetic foot ulcer was diagnosed clinically by the presence of suppurative discharge or at least two of the features of inflammation such as redness, warmth, swelling or induration and pain or tenderness (9).

^b Data are presented as mean ± SD.

^c P value < 0.05 is considered statistically significant.

^d Abbreviations: FBS, fasting blood sugar; HbA1c, glycated hemoglobin; IDFU, infected diabeticfoot ulcers; NIDFU, non-infected diabetic foot ulcer