Table 3. Outcomes, Complications, and Quality of Reporting According to Country of Journal Origin.
| US (n = 63) | Europe (n = 96) | Asia (n = 12) | Other (n = 4) | P value | |
|---|---|---|---|---|---|
| Overall Outcomes | 0.071δ | ||||
| Positive† | 40 (63%) | 45 (47%) | 4 (33%) | 3 (75%) | |
| Neutral/Negative† | 23 (37%) | 51 (53%) | 8 (67%) | 1 (25%) | |
| Mean Number of Wrists per Study‡ | 20.7 | 19.4 | 20.4 | 14.8 | 0.939ε |
| Complication Rate α | 12.3% | 24.3% | 7.6% | 0.1% | 0.067ε |
| Mean Follow-Up β | 73 | 72 | 55 | 66 | 0.894ε |
| Statistical Analysis Present† | 29 (46%) | 20 (21%) | 3 (25%) | 0 (0%) | 0.004δ |
| Time to Publication (years) γ | 5.8 | 4.5 | 5.4 | NA | 0.267ε |
| Length of Patient Enrollment (years) π | 11.6 | 8.1 | 12.3 | NA | 0.093ε |
Data reported as number of abstracts (% of total abstracts for given geographic region)
Only includes wrists corresponding to Kienbock's patients
Data presented as the average complication rate for studies with available data; Reported in 42 of 63 US studies (67%), 42 of 96 European studies (44%), 3 of 12 Asian studies (25%), and 2 of 4 studies published in another country (50%)
Data reported in 59 of 63 US studies (94%), 68 of 96 European studies (71%), 9 of 12 Asian studies (75%), and 4 of 4 studies published in another country (100%)
Data presented as time from end of patient enrollment to publication; Reported in 38 of 63 US studies (60%), 42 of 96 European studies (44%), 7 of 12 Asian studies (58%), and 0 of 4 studies published in another country (0%)
Data reported in 38 of 63 US studies (60%), 42 of 96 European studies (44%), 7 of 12 Asian studies (58%), and 0 of 4 studies published in another country (0%)
Statistical analysis using Fisher's exact test
Statistical analysis using ANOVA