Table 4

Baseline characteristics of the 60 included patients compared to the 70 patients who had to be excluded due to non-study related reasons.

Parameter

Patients in INSECT trial

(n = 60)

Patients not consenting

(n = 44)

Patients in POVATI trial (n = 26)

p-value


Age


Mean (SD)

57.70 (17.08)

55.93 (17.54)

56.69 (12.27)

0.6088*


Gender


female

21 (35.00%)

17 (38.64%)

9 (34.62%)


male

39 (65.00%)

27 (61.36%)

17 (65.38%)


0.9158#


Body Mass Index


Mean (SD)

25.62 (3.41)

24.61 (3.60)

23.77 (2.51)

0.0786*


ASA score


I

4 (6.67%)

2 (4.55%)

2 (7.69%)


II

34 (56.67%)

27 (61.36%)

15 (57.69%)


III

21 (35.00%)

15 (34.09%)

9 (34.62%)


IV

1 (1.67%)

0 (0.00%)

0 (0.00%)


0.9931#


Duration of hospitalization


Mean (SD)

14.61 (11.76)

14.34 (11.64)

13.00(6.90)

0.9570*


Malignant disease


none

35 (58.33%)

19 (43.18%)

10 (38.46%)


solid tumors

24 (40.00%)

25 (56.82%)

16 (61.54%)


missing/n.a.

1 (1.67%)

0 (0.00%)

0 (0.00%)


0.1634#


Incision technique


midline

60 (100.00%)

40 (90.91%)

18 (69.23%)


transverse

0 (0.00%)

3 (6.82%)

8 (30.77%)


laparoscopic

0 (0.00%)

1 (2.27%)

0 (0.00%)


0.0001#


Closure technique


continuous suture

40 (66.67%)

39 (88.64%)

26 (100.00%)


interrupted suture

20 (33.33%)

4 (9.09%)

0 (0.00%)


missing/n.a.

0 (0.00%)

1 (2.27%)

0 (0.00%)


0.0006#


* Kruskal-Wallis test, # Fisher's exact test

Fischer et al. BMC Surgery 2012 12:2   doi:10.1186/1471-2482-12-2

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