Table 1.

Characteristics of patients with acute colonic diverticulitis included in the study compared with those not included

	Patients included in the study (n = 95)	Patients not included in the study (n = 73)	Total (n = 168)	p value
Male	34 (36)	21 (29)	55 (33)	0.34b
Age (years)a	61 (28–90)	66 (28–92)	62 (28–92)	0.29c
Hospital stay (days)a	2 (0–19)	2 (1–59)	2 (0–59)	0.045c
Uncomplicated diverticulitis	80 (84)	60 (82)	140 (83)	0.54d
Hinchey 1–2	10 (11)	5 (7)	15 (9)	0.54d
Bowel obstruction (acute operation)	0	2 (3)	2 (1)	0.54d
Hinchey 3	2 (2)	5 (7)	7 (4)	0.54d
Hinchey 4	3 (3)	1 (1)	4 (2)	0.54d

Values in parentheses are percentages, unless indicated otherwise

^aValues are median (range)

^bZ-pooled exact test

^cWilcoxon test

^dCochran-Armitage Trend test