Table 2.
Number of publications and crude publication rates by research type
| CCT N (%) | OCR N (%) | BSS N (%) | total N (%) | |
| total in analysis | 326 | 336 | 174 | 836 |
| total published | 170 (52) | 140 (42) | 82 (47) | 392 (47) |
| abstract acceptance | ||||
| accepted | 128 (56)* | 107(50)* | 59 (58)* | 292 (54)* |
| rejected | 42 (42) | 33 (27) | 23 (32) | 98 (34) |
| country group | ||||
| USA/Canada | 43 (49) | 57 (45) | 48 (51) | 147 (48) |
| N/W Europe/Australia | 78 (57) | 43 (40) | 14 (41) | 136(48) |
| S/E Europe/Mediterranean. | 22 (42) | 19(43) | 6(67) | 45 (44) |
| other | 27 (56) | 21 (37) | 14 (39) | 62 (43) |
| multi-center status | ||||
| 1–3 centers | 134(48)* | n/a | n/a | n/a |
| > 3 centers | 36 (78) | |||
| sample size | ||||
| < median | 72 (50) | 69 (40) | 8(44) | 142 (43) |
| > median | 98 (54) | 68 (42) | 12 (41) | 181 (48) |
| statistical significance | ||||
| positive | 84 (60)* | 64 (43) | 32 (49) | 177(50) |
| negative | 47 (48) | 17(42) | 5(71) | 69 (47) |
| equivocal | 39 (45) | 59 (40) | 45 (44) | 144 (43) |
| quality score | ||||
| <0.63 | 103 (47)* | 88 (42) | 54 (49) | 240 (45) |
| >0.63 | 67 (63) | 52 (41) | 28 (44) | 150(50) |
* p < 0.05 for differences in publication rates between categories. A quality score > 0.63 equals good abstract quality