Retrospective Cohort Study
Copyright ©The Author(s) 2016.
World J Gastrointest Surg. Apr 27, 2016; 8(4): 308-314
Published online Apr 27, 2016. doi: 10.4240/wjgs.v8.i4.308
Table 1 Preoperative variables n (%)
Examined variablesComplicated diverticular disease (G1)Uncomplicated diverticular disease (G2)P value
[n = 72 (28)][n =188 (72)]
Sex0.474 (N/S)
Females24 (33)73 (39)χ2
Males48 (67)115 (61)
Age (yr)58 ± 12 (29-84)57 ± 11 (27-89)0.178 (N/S)
t-test
BMI (kg/m2)26 ± 4 (19-41)26 ± 4 (17-41)0.112 (N/S)
t-test
ASA
I16 (22)50 (27)0.057 (N/S)
II47 (65)128 (68)χ2
III9 (13)10 (5)
Previous abdominal surgery37 (51)107 (57)0.605 (N/S)
χ2
Previous episodes of diverticulitis1.36 ± 1.4 (0-5)2.42 ± 1.3 (0-10)< 0.05
t-test
Table 2 Intraoperative variables n (%)
Examined variablesComplicated diverticular disease (G1)Uncomplicated diverticular disease (G2)P value
[n = 72 (28)][n =188 (72)]
Operative time (min)193 ± 66 (80-345)156 ± 58 (65-400)< 0.05
t-test
Intra-operative complications3 (4)4 (2)0.892 (N/S)
2 iatrogenic colonic/rectal perforation1 epigastric vessels lesionχ2
1 bladder injury2 spleen injuries
1 ureteric injury
Conversion rate13 (18)6 (3)< 0.05
χ2
Length of colon resected (cm)23 ± 8 (11-4.5)22 ± 8 (10-53)0.531 (N/S)
t-test
Table 3 Gastrointestinal recovery
Examined variablesComplicated diverticular disease (G1)Uncomplicated diverticular disease (G2)P value
n: 72 (28%)n: 188 (72%)
Intake > 1000 mLDay 2.1 ± 2.1 (0-10)Day 1 ± 0.8 (0.5)< 0.05
t-test
Intake normal dietDay 3.1 ± 2.2 (1-11)Day 1.8 ± 1 (0-7)< 0.05
t-test
Bowel sound +Day 1 ± 0.6 (0-3)Day 0.6 ± 0.6 (0-4)< 0.05
t-test
Gases +Day 1.9 ± 1.4 (0-7)Day 1.4 ± 0.7 (0-5)< 0.05
t-test
Length of stay (d)4.7 ± 3.1 (2-15) 3.3 ± 1.8 (1-17)< 0.05
t-test
Table 4 Postoperative complications n (%)
Examined variablesComplicated diverticular disease (G1)Uncomplicated diverticular disease (G2)P value
[n = 72 (28)][n = 188 (72)]
Grade I8 (11.1)6 (3.19)< 0.05
1 urinary retention1 urinary retentionχ2
1 vomits2 vomits
1 surgical site hematoma2 surgical site hematoma
5 ileus > 72 h1 ileus
Grade II6 (8.3)9 (4.78)0.426 (N/S)
1 phlebilis4 surgical site infectionχ2
4 surgical site infection2 urinary infection
1 fever syndrome with normal CT3 fever syndrome with normal CT
Grade IIIA0 (0)1 (0.53)0.610 (N/S)
1 pancreatic fistulaχ2
Grade IIIB2 (2.7)6 (3.1)0.897 (N/S)
2 anastomotic leak2 hemoperitoneumχ2
4 anastomotic leak
Grade IV0 (0)0 (0)-
Grade V0 (0)1 (0.53)0.610 (N/S)
χ2
Total16 (22)23 (12)0.053 (N/S)
χ2