Laparoscopic treatment of perforated appendicitis

Table 1 Summary of the population-based studies on the mortality and morbidities for patients with perforated appendicitis in United States

Study	Patient numbers	Mortality	Overall morbidities	30-d readmission	Wound infection	IAA	Bowel obstruction
Tuggle et al[12]	LA: 2060	LA: 0.54%	-	-	LA: 2.56%b	LA: 6.74%b	-
	OA: 730	OA: 1.11%			OA: 8.05%	OA: 3.69%
		(P = 0.11)
Tiwari et al[16]	LA: 5212	LA : 0.13%b	LA: 17.43%b	LA: 5.04%	-	-	-
	OA: 5323	OA: 1.03%	OA: 26.68%	OA: 5.93% (P = 0.05)
Masoomi et al[6]	LA: 69840	LA: 0.06%b	LA: 18.75%b	-	LA: 0.58%b	LA: 1.65%b	LA: 1.24%b
	OA: 68344	OA: 0.31%	OA: 26.76%		OA: 2.09%	OA: 3.57%	OA: 2.84%
Oyetunji et al[13]	Total 72787	-	-	-	-	LA: 4.9%	-
	LA: 29.2%					OA: 3.8%
	OA: 70.8%
Jen et al[45]	LA: 9246	-	-	LA: 6.3%	LA: 5.5%	-	LA: 2.0%
	OA: 21347			OA: 6.9%	OA: 6.4%		OA: 2.6%
				(P = 0.16)	(P = 0.02)		(P = 0.02)

^bP < 0.01 vs perforated appendicitis (OA) group. LA: Laparoscopic appendectomy; IAA: Intra-abdominal abscess.