Chinese herbal medicine for colorectal cancer: An overview of systematic reviews and evidence map

Table 1 Summary of findings of evidence in administration of Chinese herbal medicine for postoperative recovery

Ref.	Patients details	Numbers of RCTs	Participants		Effect estimates	Quality of evidence
			Treatment	Control
Time to first bowel sound recovery
Zhang and Cao[27]	Postoperative CRC	18	838	831	MD = -10.16, 95%CI: -12.90 to -7.42	Low1,2
Hu et al[30]	Postoperative RC	6	266	262	MD = -16.59, 95%CI: -19.05 to -14.14	Low1,2
Time to first anal flatus
Zhang and Cao[27]	Postoperative CRC	40	1751	1735	MD = -12.17, 95%CI: -14.11 to -10.24	Low1,2
Hu et al[30]	Postoperative RC	6	266	262	MD = -12.30, 95%CI: -13.07 to -11.52	Low1,2
Time to first defecation
Zhang and Cao[27]	Postoperative CRC	33	1411	1400	MD = -15.41, 95%CI: -18.06 to -12.76	Low1,2
Hu et al[30]	Postoperative RC	5	231	227	MD = -14.17, 95%CI: -17.17 to -11.18	Low1,2

¹Risk of bias of included trials.

²Clinical heterogeneity.

CHM: Chinese herbal medicine; RCT: Randomized controlled trial; CRC: Colorectal cancer; RC: Rectal cancer; MD: Mean difference; CI: Confidence interval.