Table 2. Open in new tab Frequency...

PRISMA ScR item	No description	Inadequate	Adequate	Total (100%)
1. Title	3	7.5	0	0.0	37	92.5	40
2. Abstract	0	0.0	15	37.5	25	62.5	40
3. Introduction—Rationale	7	17.5	15	37.5	18	45.0	40
4. Introduction—Objectives	1	2.5	8	20.0	31	77.5	40
5. Methods—Protocol and registration	19	47.5	14	35.0	7	17.5	40
6. Methods—Eligibility criteria	1	2.5	9	22.5	30	75.0	40
7. Methods—Information sources	1	2.5	9	22.5	30	75.0	40
8. Methods—Search	8	20.0	2	5.0	30	75.0	40
9. Methods—Selection of sources of evidence	3	7.5	12	30.0	25	62.5	40
10. Methods—Data charting process	4	10.0	15	37.5	21	52.5	40
11. Methods-Data items	3	7.5	21	52.5	16	40.0	40
14. Methods—Synthesis of results	17	42.5	11	27.5	12	30.0	40
17. Results—Selection of sources of evidence	2	5.0	4	10.0	34	85.0	40
18. Results—Characteristics of sources of evidence	6	15.0	7	17.5	27	67.5	40
20. Results—Results of individual sources of evidence	13	32.5	9	22.5	18	45.0	40
21. Results—Synthesis of results	1	2.5	16	40.0	23	57.5	40
24. Discussion—Summary of evidence	0	0.0	2	5.0	38	95.0	40
25. Discussion—Limitations	19	47.5	0	0.0	21	52.5	40
26. Discussion—Conclusions	2	5.0	14	35.0	24	60.0	40
27. Funding	12	30.0	0	0.0	28	70.0	40

PRISMA ScR item

No description

Inadequate

Adequate

Total (100%)

1. Title

7.5

0.0

92.5

2. Abstract

0.0

37.5

62.5

3. Introduction—Rationale

17.5

37.5

45.0

4. Introduction—Objectives

2.5

20.0

77.5

5. Methods—Protocol and registration

47.5

35.0

17.5

6. Methods—Eligibility criteria

2.5

22.5

75.0

7. Methods—Information sources

2.5

22.5

75.0

8. Methods—Search

20.0

5.0

75.0

9. Methods—Selection of sources of evidence

7.5

30.0

62.5

10. Methods—Data charting process

10.0

37.5

52.5

11. Methods-Data items

7.5

52.5

40.0

14. Methods—Synthesis of results

42.5

27.5

30.0

17. Results—Selection of sources of evidence

5.0

10.0

85.0

18. Results—Characteristics of sources of evidence

15.0

17.5

67.5

20. Results—Results of individual sources of evidence

32.5

22.5

45.0

21. Results—Synthesis of results

2.5

40.0

57.5

24. Discussion—Summary of evidence

0.0

5.0

95.0

25. Discussion—Limitations

47.5

0.0

52.5

26. Discussion—Conclusions

5.0

35.0

60.0

27. Funding

30.0

0.0

70.0

PRISMA ScR item	No description	Inadequate	Adequate	Total (100%)
1. Title	3	7.5	0	0.0	37	92.5	40
2. Abstract	0	0.0	15	37.5	25	62.5	40
3. Introduction—Rationale	7	17.5	15	37.5	18	45.0	40
4. Introduction—Objectives	1	2.5	8	20.0	31	77.5	40
5. Methods—Protocol and registration	19	47.5	14	35.0	7	17.5	40
6. Methods—Eligibility criteria	1	2.5	9	22.5	30	75.0	40
7. Methods—Information sources	1	2.5	9	22.5	30	75.0	40
8. Methods—Search	8	20.0	2	5.0	30	75.0	40
9. Methods—Selection of sources of evidence	3	7.5	12	30.0	25	62.5	40
10. Methods—Data charting process	4	10.0	15	37.5	21	52.5	40
11. Methods-Data items	3	7.5	21	52.5	16	40.0	40
14. Methods—Synthesis of results	17	42.5	11	27.5	12	30.0	40
17. Results—Selection of sources of evidence	2	5.0	4	10.0	34	85.0	40
18. Results—Characteristics of sources of evidence	6	15.0	7	17.5	27	67.5	40
20. Results—Results of individual sources of evidence	13	32.5	9	22.5	18	45.0	40
21. Results—Synthesis of results	1	2.5	16	40.0	23	57.5	40
24. Discussion—Summary of evidence	0	0.0	2	5.0	38	95.0	40
25. Discussion—Limitations	19	47.5	0	0.0	21	52.5	40
26. Discussion—Conclusions	2	5.0	14	35.0	24	60.0	40
27. Funding	12	30.0	0	0.0	28	70.0	40

Table 2.

Open in new tab

Frequency distribution of scores per item of the PRISMA ScR checklist

PRISMA ScR item	No description		Inadequate		Adequate		Total (100%)
PRISMA ScR item	N	%	N	%	N	%	N
1. Title	3	7.5	0	0.0	37	92.5	40
2. Abstract	0	0.0	15	37.5	25	62.5	40
3. Introduction—Rationale	7	17.5	15	37.5	18	45.0	40
4. Introduction—Objectives	1	2.5	8	20.0	31	77.5	40
5. Methods—Protocol and registration	19	47.5	14	35.0	7	17.5	40
6. Methods—Eligibility criteria	1	2.5	9	22.5	30	75.0	40
7. Methods—Information sources	1	2.5	9	22.5	30	75.0	40
8. Methods—Search	8	20.0	2	5.0	30	75.0	40
9. Methods—Selection of sources of evidence	3	7.5	12	30.0	25	62.5	40
10. Methods—Data charting process	4	10.0	15	37.5	21	52.5	40
11. Methods-Data items	3	7.5	21	52.5	16	40.0	40
14. Methods—Synthesis of results	17	42.5	11	27.5	12	30.0	40
17. Results—Selection of sources of evidence	2	5.0	4	10.0	34	85.0	40
18. Results—Characteristics of sources of evidence	6	15.0	7	17.5	27	67.5	40
20. Results—Results of individual sources of evidence	13	32.5	9	22.5	18	45.0	40
21. Results—Synthesis of results	1	2.5	16	40.0	23	57.5	40
24. Discussion—Summary of evidence	0	0.0	2	5.0	38	95.0	40
25. Discussion—Limitations	19	47.5	0	0.0	21	52.5	40
26. Discussion—Conclusions	2	5.0	14	35.0	24	60.0	40
27. Funding	12	30.0	0	0.0	28	70.0	40

PRISMA ScR item	No description		Inadequate		Adequate		Total (100%)
PRISMA ScR item	N	%	N	%	N	%	N
1. Title	3	7.5	0	0.0	37	92.5	40
2. Abstract	0	0.0	15	37.5	25	62.5	40
3. Introduction—Rationale	7	17.5	15	37.5	18	45.0	40
4. Introduction—Objectives	1	2.5	8	20.0	31	77.5	40
5. Methods—Protocol and registration	19	47.5	14	35.0	7	17.5	40
6. Methods—Eligibility criteria	1	2.5	9	22.5	30	75.0	40
7. Methods—Information sources	1	2.5	9	22.5	30	75.0	40
8. Methods—Search	8	20.0	2	5.0	30	75.0	40
9. Methods—Selection of sources of evidence	3	7.5	12	30.0	25	62.5	40
10. Methods—Data charting process	4	10.0	15	37.5	21	52.5	40
11. Methods-Data items	3	7.5	21	52.5	16	40.0	40
14. Methods—Synthesis of results	17	42.5	11	27.5	12	30.0	40
17. Results—Selection of sources of evidence	2	5.0	4	10.0	34	85.0	40
18. Results—Characteristics of sources of evidence	6	15.0	7	17.5	27	67.5	40
20. Results—Results of individual sources of evidence	13	32.5	9	22.5	18	45.0	40
21. Results—Synthesis of results	1	2.5	16	40.0	23	57.5	40
24. Discussion—Summary of evidence	0	0.0	2	5.0	38	95.0	40
25. Discussion—Limitations	19	47.5	0	0.0	21	52.5	40
26. Discussion—Conclusions	2	5.0	14	35.0	24	60.0	40
27. Funding	12	30.0	0	0.0	28	70.0	40

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