Table 1

Demographic and clinical characteristics of the study sample, by time period

Characteristic	Time period; %^*		p value
Characteristic	Early (2001–2005) n = 353	Late (2006–2010) n = 398	p value
Age at diagnosis, mean ± SD, d	38 ± 25	39 ± 17	0.71
Age at diagnosis, median, d	33	35	0.13
Male sex	84	82	0.37
Preoperative LOS > 2 d	11	15	0.15
Postoperative LOS > 2 d	40	25	< 0.001
Total LOS > 3 d	47	50	0.55
Postoperative complications	7	6	0.77
Laparoscopic approach	5	51	< 0.001