A randomized clinical trial comparing hydrocolloid, phenytoin and simple dressings for the treatment of pressure ulcers [ISRCTN33429693]

Table 3 Baseline characteristics of study subjects assigned to three trial groups considering the patient as unit of analysis(one ulcer per patient).

Variables	Mean duration of ulcer before treatment (wk ± SD)	Mean ulcer size (cm² ± SD)	Stage of ulcer (no)
Treatment group; no			I	II
Total n = 83	5.92 ± 6.27	7.78 ± 13.53	31	52
Hydrocolloid n = 28	7.12 ± 5.68	7.47 ± 16.4	12	16
Phenytoin n = 28	6.11 ± 8.4	5.13 ± 3.67	9	19
Simple dressing n = 27	4.47 ± 3.64	10.84 ± 16.32	10	17
P-Value	P > 0.20	P > 0.20	P > 0.70

ISSN: 1471-5945