Laparoscopic treatment of perforated appendicitis

Table 3 Summary of 2 population-bases studies for elderly patients with perforated appendicitis

Study	Harrell et al[76]	Masoomi et al[6]
Study period	1997-2003	2006-2008
Data source	NCHAPD	NISD
Patient numbers	LA: 203, OA: 1289	LA: 13765, OA: 18915
Length of hospital stay, d	LA: 6.8, OA: 9.0b	LA: 5.8, OA: 8.7b
Routine discharge	LA: 86.6%, OA: 70.9%b	-
Mortality	LA: 1.0%, OA: 2.98%	LA: 1.4%, OA: 2.63%b
	(P = 0.10)
Overall complication rate	LA: 23.65%, OA: 23.74%	LA: 36.27%, OA: 46.92%b
	(P = 0.97)
Surgical charge, USD	LA: 22334, OA: 23855	LA: 47339, OA: 57963b
	(P = 0.93)

^bP < 0.01 vs perforated appendicitis (OA) group. NISD: Nationwide Inpatient Sample Database; NCHAPD: North Carolina Hospital Association Patient Data; LA: Laparoscopic appendectomy.