Table 1.

Descriptions of systematic reviews by condition of interest

	No. of reviews	No. of studies in reviews*	No. of RCTs in reviews	No. of patients in reviews	No. of patients in included RCTs
Bowel conditions	42	9 (5–16; 0–98)	2 (0–4; 0–9)	509 (233–878; 0–3975)	78 (0–315; 0–1074)
Appendicitis	40	10 (5–17; 0–57)	5 (1–15; 0–56)	1235 (744–2277; 0–57 851)	701 (9–1381; 0–5896)
Gallstone disease	17	5 (3–10; 1–53)	3 (1–6; 0–28)	488 (272–878; 51–3659)	388 (63–595; 0–3659)
Peptic ulcer disease	4	9 (3–15; 3–15)	3 (2–4; 2–4)	487 (296–999; 289–1113)	252 (178–309; 166–315)
Anorectal soft tissue infection	2	6 (5–6; 5–6)	6 (5–6; 5–6)	442 (405–479; 405–479)	442 (405–479; 405–479)
Abdominal wall hernia	1	8	0	8	0

Values are median (i.q.r.; range).

^*Includes all types of study design.