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. Author manuscript; available in PMC: 2019 Jan 21.
Published in final edited form as: J Gastrointestin Liver Dis. 2018 Sep;27(3):249–255. doi: 10.15403/jgld.2014.1121.273.sch

Table I.

Patient demographics

Parameter Early onset
diverticulitis
Later onset
diverticulitis
P-value
Patients (n) 13 13 n.a.
Sex, male, n (%), female, n (%) 8 (61.5), 5 (38.5) 4 (30.8), 9 (69.2) 0.238
*Smoking status, positive, n (%), negative, n (%) 8 (61.5), 5 (38.5) 7 (53.8), 6 (46.2) 1
Age of first diverticulitis episode, yrs, mean, SD 37.1 ± 4.7 73.2 ± 4.7 3.14 × 10−16
Type of surgery, elective, n (%), urgent/emergent, n (%) 11 (84.6), 2 (15.4) 15 (100), 0 (0) 0.206
Age of sigmoid resection, years, mean, SD 42.6 ± 7.3 74.6 ± 5.0 1.29 × 10−11
Body mass index, kg/m2, mean, SD 30.5 ± 8.0 31.1 ± 4.9 0.817
Familial diverticular disease, yes, n (%), no, n (%) 4 (30.8), 9 (69.2) 4 (30.8), 9 (69.2) 1
History of perforation/abscess, yes, n (%), no, n (%) 6 (46.2), 7 (53.8) 8 (61.5), 5 (35.8) 0.695
History of fistula, yes, n (%), no, n (%) 3 (23.1), 10 (76.9) 6 (46.2), 7 (53.8) 0.411
*

Positive smoking status includes both current and former smokers at the time of surgery.

Continuous variables analyzed by two-tailed t-test, categorical variables analyzed by two-tailed Fisher’s Exact Test.

SD: standard deviation.