Characteristic | Before PRISMA (n = 18) | After PRISMA (n = 59) | Overall (n = 77) | χ2/ t | P |
---|---|---|---|---|---|
Type of article | 4.53 | 0.09 | |||
Systematic reviews only | 16 (88.9) | 38 (69.6) | 54 (70.1) | ||
Meta-analyses only | 1 (5.6) | 4 (6.8) | 5 (6.5) | ||
Systematic reviews including meta-analyses | 1 (5.6) | 17 (28.8) | 18 (23.4) | ||
Origin region of first author | 1.69 | 0.68 | |||
Asia | 2 (11.1) | 12 (20.3) | 14 (18.2) | ||
Europe | 10 (55.6) | 33 (55.9) | 43 (55.8) | ||
U.S.A/Canada | 3 (16.7) | 9 (15.3) | 12 (15.6) | ||
Australia | 3 (16.7) | 5 (8.5) | 8 (10.4) | ||
Number of authors | 4.91 | 0.03 | |||
1~ 4 | 15 (83.3) | 32 (54.2) | 47 (61.0) | ||
> 4 | 3 (16.7) | 27 (45.8) | 30 (39.0) | ||
International collaborative authorship | 0.05 | 0.82 | |||
No | 16 (88.9) | 49 (83.1) | 65 (84.4) | ||
Yes | 2 (11.1) | 10 (16.9) | 12 (15.6) | ||
Number of affiliations of first author | 1.96 | 0.16 | |||
1~ 3 | 15 (83.3) | 39 (66.1) | 54 (70.1) | ||
> 3 | 3 (16.7) | 20 (33.9) | 23 (29.9) | ||
Affiliation of author | 1.36 | 0.61 | |||
Hospital | 2 (11.1) | 5 (8.5) | 7 (9.1) | ||
University | 12 (66.7) | 46 (78.0) | 58 (75.3) | ||
Institute | 4 (22.2) | 8 (13.6) | 12 (15.6) | ||
journal type of published article | 1.26 | 0.26 | |||
Nursing Journal | 11 (61.1) | 46 (78.0) | 57 (74.0) | ||
Non Nursing Journal | 7 (38.9) | 13 (22.0) | 20 (26.0) | ||
Number of included studies | 0.05 | 0.83 | |||
< 10 | 5 (27.8) | 18 (30.5) | 23 (29.9) | ||
≥10 | 13 (72.2) | 41 (69.5) | 54 (70.1) | ||
RCT identified | 10.44 | 0.01 | |||
Non-RCT | 12 (66.7) | 34 (57.6) | 46 (59.7) | ||
Only RCT | 1 (5.6) | 21 (35.6) | 22 (28.6) | ||
Unclear | 5 (27.8) | 4 (6.8) | 9 (11.7) | ||
Followed PRISMA guideline | 10.00 | < 0.01 | |||
No | 18 (100.0) | 36 (61.0) | 54 (70.1) | ||
Yes | 0 (0.0) | 23 (39.0) | 23 (29.9) | ||
Protocol or Registration | 0.73 | 0.39 | |||
No | 15 (83.3) | 41 (69.5) | 56 (72.7) | ||
Yes | 3 (16.7) | 18 (30.5) | 21 (27.3) | ||
Journal source of SCI | 0.13 | 0.72 | |||
No | 2 (11.1) | 3 (5.1) | 5 (6.5) | ||
Yes | 16 (88.9) | 56 (94.9) | 72 (93.5) | ||
Manuscript length (no. of pages) | 0.53 | 0.47 | |||
1~ 13 | 8 (44.4) | 32 (54.2) | 40 (51.9) | ||
> 13 | 10 (55.6) | 27 (45.8) | 37 (48.1) | ||
Funding support | 0.07 | 0.79 | |||
No | 11 (61.1) | 34 (57.6) | 45 (58.4) | ||
Yes | 7 (38.9) | 25 (42.4) | 32 (41.6) | ||
The total score (\( \overline{x} \)± s) | 17.11 ± 4.59 | 20.83 ± 3.78 | 19.96 ± 4.26 | −3.47 | < 0.01 |