A Comparison of the Efficacy and Cost of Different Venous Leg Ulcer Dressings: A Retrospective Cohort Study

Table 3

Cost is significantly different between simple dressings and modern dressings. However the healing rate between the two is not significantly different.

	Simple nonadherent Ultra dressing ()	Other types of dressing ()	Degrees of freedom ()	One-tailed value	Two-tailed value	Cohen’s
Mean healing rate; Standard deviation of healing rate	0.353; 0.3185	0.415; 0.383	22	0.336	0.672	0.176
Mean cost dressing/; Standard deviation of cost	0.702; 1.08	4.78; 4.816	22	0.0045	0.009	1.17