Table 3.

Treatment results in the 2 study groups.

	Cohort (n = 61)	Non-NPWT (n = 38)	NPWT (n = 23)	Relative risk (95% CI)	P-values
Swelling full resolution time, day, median (IQR)	4.0 (3.0–5.0)	4.0 (3.0–5.0)	3.0 (3.0–4.0)		.010
Necrosis, n (%)	15 (24.6)	14 (93.3)	1 (6.7)	0.660 (0.510–0.885)	.003
Finger, n (%)	13 (21.3)	12 (92.3)	1 (7.7)	0.602 (0.415–0.873)	.013
Palm, n (%)	0 (0)	0 (0)	0 (0)		0
Foot, n (%)	2 (3.3)	2 (100)	0 (0)	0.750 (0.503–1.119)	.202
Other areas, n (%)	0 (0)	0 (0)	0 (0)		0
Infection, n (%)	6 (9.8)	5 (83.3)	1 (16.7)	0.908 (0.780–1.056)	.258
Initial skin color change					.160
Yes, n (%)	18 (29.5)	9 (50)	9 (50)
Necrosis, n (%)		5 (27.8)	1 (5.6)	0.500 (0.232–1.076)	.046
No, n (%)	43 (70.5)	29 (67.4)	14 (32.6)
Necrosis, n (%)		9 (20.9)	0 (0)	0.690 (0.540–0.880)	.019
Operation, n (%)	3 (4.9)	3 (100)	0 (0)	0.921 (0.893–1.011)	.234