Table 3.

Quality of systematic review, based on criteria listed in table headers. Refer to the text for additional explanation

SR Identifer (Table 1)	JIF (2019) of Journal that Published SR	Number of Reviewed Articles by SR	AMSTAR 2: Number of 16 criteria met or partially met by SR	AMSTAR 2: Number of 7 Critical Validity Domain criteria met or partially met by SR	AMSTAR 2: Rating of SR (based on Critical Validity Domain criteria)	SR had “Spin” (at least 2 of 7 criteria met)?	SR Conclusions based in part on Reviewed Low Quality Articles?	SR Included Conflict of Interest Statement?	SR Used Librarian for Literature Search?	Indication of Financial Bias by SR Authors?
1	1.908	9	9	4	Critically Low	No	No	Yes	No	No
2	1.274	13	8	4	Critically Low	No	No	Yes	No	No
3	2.622	4	12	6	Low	Yes	No	Yes	No	No
4	1.120	23	9	3	Critically Low	Yes	Yes	Yes	No	No
5	2.000	39	12	5	Critically Low	Yes	Yes	Yes	No	No
6	1.979	12	11	4	Critically Low	Yes	No	Yes	No	No
7	11.645	19	12	5	Critically Low	No	No	Yes	No	No
8	2.821	22	13	6	Low	Yes	No	No	No	No
9	1.725	7	11	5	Critically Low	Yes	Yes	Yes	No	No
10	1.587	5	7	3	Critically Low	Yes	No	Yes	No	No
11	3.058	3	11	4	Critically Low	Yes	No	Yes	No	No
12	1.701	11	10	3	Critically Low	Yes	Yes	Yes	No	No
13	2.649	5	10	4	Critically Low	No	No	Yes	No	No
14	1.158	13	8	3	Critically Low	Yes	No	No	No	No
15	1.163	12	10	3	Critically Low	Yes	No	Yes	No	No
16	4.196	13	13	5	Critically Low	No	Yes	Yes	No	No
17	1.500	10	13	6	Low	No	Yes	Yes	No	No
18	3.058	14	12	5	Critically Low	No	No	Yes	No	No
19	11.645	14	10	4	Critically Low	No	No	Yes	No	No
20	1.774	12	9	3	Critically Low	No	No	No	No	No
21	11.645	4	9	3	Critically Low	No	No	Yes	No	No
22	0.814	6	11	4	Critically Low	Yes	Yes	Yes	No	No
23	3.058	45	10	4	Critically Low	No	Yes	Yes	No	No
24	1.879	14	10	3	Critically Low	No	No	Yes	No	No
Mean	3.249	13.7	10.4	4.1	–	–	–	–	–	–
Median	1.944	12.0	10.0	4.0	–	–	–	–	–	–
S.D.	3.337	10.2	1.7	1.0	–	–	–	–	–	–
Range	0.814 to 11.645	3 to 45	7 to 13	3 to 6	–	–	–	–	–	–
Frequency	–	–	–	–	21 Critically Low	12 Yes	8 Yes	21 Yes	0 Yes	0 Yes
Counts	–	–	–	–	3 Low	12 No	16 No	3 No	24 No	24 No

JIF = Journal Impact Factor; PEDro = Physiotherapy Evidence Database (1 to 10 scale; higher value represents better study design).

AMSTAR 2 = A MeaSurement Tool to Assess systematic Reviews, version 2 (16 criteria; high value represents better review design).

SR = Systematic Review.