Reporting Quality of Oral TCM Systematic Reviews Based on the PRISMA Harms Checklist from 2013 to 2020

Table 1

Adherence of systematic review reporting of the PRISMA harms checklist.

Sections	Items	PRISMA harms checklist
		Total (%)	Published before 2016 (%)	Published after 2016 (%)	values
Title	1 Title	8 (4)	1 (1)	7 (7)	0.03
Abstract	2 Structured summary	112 (56)	57 (57)	55 (55)	0.78
Instruction	3 Rationale	22 (11)	11 (11)	11 (11)	1.0
Methods	4 Objectives	1 (0.5)	0	1 (1)	0.32
	6 Eligibility criteria	2 (1)	1 (1)	1 (1)	1.0
	8 Search	3 (1.5)	1 (1)	2(2)	0.56
	9 Study selection	0	0	0	—
	11 Data items	2 (1)	0	2 (2)	0.155
	12 Risk of bias in individual studies	2 (1)	0	2 (2)	0.155
	14 Synthesis of results	2 (1)	0	2 (2)	0.155
	15 Risk of bias across studies	2 (1)	0	2 (2)	0.155
	16 Additional analyses	3 (1.5)	0	3 (3)	0.081
Results	17 Study selection	0	0	0	—
	18 Study characteristics-1	1 (0.5)	0	1 (1)	0.316
	18 Study characteristics-2	0	0	0	—
	19 Risk of bias within studies	2 (1)	0	2 (2)	0.155
	20 Results of individual studies	97 (48.5)	40 (40)	57 (57)	0.016
	21 Synthesis of results-1	2 (1)	0	2 (2)	0.155
	21 Synthesis of results-2	0	0	0	—
	22 Risk of bias across studies	4 (2)	0	4 (4)	0.043
Discussion	25 Limitations	1 (0.5)	0	1 (1)	0.316
	26 Conclusions	190 (95)	98 (98)	92 (92)	0.052