Supplemenatry Table 1.

Details regarding the non-inclusion of recruited patients.

	Group	Total patients	Total discontinued	Rate	P value
Discontinued per protocol*	TK group	51	0	100.00	0.3289
.	T group	51	0	100.00	.
.	C group	51	2	96.08	.
Loss to follow-up**	TK group	51	0	100.00	0.3289
.	T group	51	2	96.08	.
.	C group	51	0	100.00	.
Total	TK group	51	0	100.00	0.5467
.	T group	51	2	96.08	.
.	C group	51	2	96.08	.

^*Conversion to laparotomy, intraoperative blood loss >1000 ml, or duration of surgery <0.5 or >2.0 hours;

^**non-completion of specified follow-up duration.