Table 1.

Study characteristic of patients with prosthetic repair or components separation technique

	Group 1: prosthetic repair	Group 2: components separation technique	Significance
			(t-test)
Age (mean)	58.7 (range: 42–82)	53.9 (range: 33–37)	NS
			(Fisher exact test)
Gender (women/men)	6/12	6/13	NS
			(t-test)
BMI	28.7 (range: 21.5–39.6)	28.2 (range: 23.9–38.7)	NS
Defect (median) (cm)			(t-test)
Length	25 (range: 20–30)	25 (range: 20–33)	NS
Width	17 (range: 9–30)	15 (range: 7–25)	NS
Skin (n)			(t-test)
Intact, full thickness	14	12	NS
Intact, split skin	4	7	NS
Anesthesia (n)			(Fisher exact test)
General	3	5	NS
Epidural and general	15	14	NS
			(t-test)
Operative time (min)	183 (range 135–254)	113 (range 63–175)	p < 0.001
			(t-test)
Blood loss (ml)	420 (range 100–900)	289 (range 50–1000)	NS
ICU stay			(Mann-Whitney U-test)
Patients (n)	6	3	NS
Time (days)	2 (range: 1–6)	5 (range: 1–10)	NS
			(t-test)
Pulmonary complications (n)	2	4	NS
Pneumonia	2	1	NS
Atelectasis	0	3	NS
Analgesia			(t-test)
Epidural (days)	2.4 (range: 0–5)	2.4 (range: 0–6)	NS
Morphine (days)	3.3 (range: 0–8)	3.6 (range: 0–10)	NS
			(Fisher exact test)
Wound complication (n)	1	1	NS
Hematoma	7	4	NS
Seroma	3	2	NS
Skin necrosis	2	3	NS
Infected mesh (n)	7	0
			(t-test)
Reoperation (in OR) for wound complications (n)	7	2	p = 0.05
Recurrence (n)	11	10	NS

BMI: body mass index; ICU: intensive care unit; NS: not statistically significant; OR: Operation room.