Table 9.

Five-year survival rates of patients with T1b gallbladder cancer after different surgical procedures

	N (SC/EC)	5 YSR (%)		P value
		SC	EC
Wakai et al[6]	25 (17/8)	100	75	NS
Kim et al[17]	9 (6/3)	100	100	NS
Yildirim et al[15]	8 (5/3)	50	100	NS
Ouchi et al[11]	7 (5/2)	42	100	< 0.05
Cangemi et al[27]	11 (8/3)	37.5	100	< 0.01
Goetze et al[5]	72 (49/23)	42	79	0.03

NS: Not significant; SC: Simple cholecystectomy; EC: Extended cholecystectomy.