Table 4 Presentation of results in the Results section and abstract for studies reporting adjusted analysis
| Year of Publication | Results Section | Abstract | ||||
|---|---|---|---|---|---|---|
|
2000 (n = 54) |
2006 (n = 89) | P-value |
2000 (n = 71)* |
2006 (n = 101)† | P-value | |
| Summary statistics for each group | 0.7 | 0.5 | ||||
| Unadjusted only | 42 (78%) | 70 (80%) | 26 (37%) | 45 (44%) | ||
| Adjusted only | 6 (11%) | 12 (14%) | 3 (4%) | 5 (5%) | ||
| Both | 4 (7%) | 3 (3%) | 0 | 0 | ||
| None/not clear | 2 (4%) | 3 (3%) | 42 (59%) | 51 (51%) | ||
| Confidence interval/SE within group | 0.2 | 1.0 | ||||
| Unadjusted only | 12 (22%) | 11 (13%) | 2 (3%) | 2 (2%) | ||
| Adjusted only | 6 (11%) | 10 (11%) | 2 (3%) | 4 (4%) | ||
| Both | 1 (2%) | 0 | 0 (%) | 0 | ||
| None/not clear | 35 (65%) | 67 (76%) | 67 (94%) | 95 (94%) | ||
| Treatment effect | 0.4 | 0.1 | ||||
| Unadjusted only | 5 (9%) | 5 (6%) | 3 (4%) | 5 (5%) | ||
| Adjusted only | 17 (31%) | 35 (39%) | 5 (7%) | 19 (19%) | ||
| Both | 4 (7%) | 12 (13%) | 1 (2%) | 1 (1%) | ||
| None/not clear | 28 (52%) | 37 (42%) | 62 (87%) | 76 (75%) | ||
| Confidence interval/SE of treatment effect | 0.6 | 0.4 | ||||
| Unadjusted only | 6 (11%) | 5 (6%) | 2 (3%) | 6 (6%) | ||
| Adjusted only | 16 (30%) | 24 (27%) | 3 (4%) | 17 (17%) | ||
| Both | 4 (7%) | 10 (11%) | 1 (2%) | 1 (1%) | ||
| None/not clear | 28 (52%) | 49 (56%) | 65 (91%) | 77 (76%) | ||
| P-value for treatment effect | 0.2 | 0.2 | ||||
| Unadjusted only | 9 (17%) | 8 (9%) | 9 (13%) | 13 (13%) | ||
| Adjusted only | 27 (50%) | 52 (59%) | 13 (18%) | 30 (30%) | ||
| Both | 7 (13%) | 17 (19%) | 0 | 2 (2%) | ||
| None/not clear | 11 (20%) | 11 (13%) | 49 (69%) | 56 (55%) | ||