Table 2.
Total number of members and collaborations with other organizations (N = 265)
| Publication period | P | |||||
|---|---|---|---|---|---|---|
| by 2005 | 2006–2010 | 2011–2015 | 2016–2019 | |||
| (N = 40) | (N = 47) | (N = 77) | (N = 101) | |||
| Number of members | mean (SD) | 25.5 (14.4) | 23.9 (18.2) | 26.5 (30.3) | 37.2 (36.2) | 0.036 b |
| CPGs including | ||||||
| Methodologist a | n (%) | 20 (52.6) | 26 (55.3) | 34 (48.6) | 57 (64.0) | 0.228 c |
| Health economist | n (%) | 8 (20.0) | 7 (14.9) | 12 (15.6) | 17 (16.8) | 0.796 c |
| Patient representative | n (%) | 5 (12.5) | 4 (8.7) | 12 (15.6) | 33 (32.4) | 0.001 c |
| CPGs collaborating with | ||||||
| Academic society | n (%) | 29 (78.4) | 36 (76.6) | 60 (77.9) | 79 (79.0) | 0.842 c |
| Medical association | n (%) | 8 (21.6) | 10 (22.7) | 12 (15.8) | 18 (18.4) | 0.524 c |
| Patient group | n (%) | 2 (5.4) | 5 (11.1) | 10 (13.5) | 21 (21.2) | 0.014 c |
a "Methodologist" includes epidemiologists, statisticians, evidence-based medicine experts, experts in the guideline development, or librarians
b Jonckheere-Terpstra test
c Mantel-Haenszel test for trend
Abbreviations: CPG clinical practice guideline, SD standard deviation