Characteristics | N = 317 Flow diagram reported (%) | N = 227 Flow diagram not reported (%) | P value |
---|---|---|---|
Periodontology | 125 (73.1) | 46 (26.9) | < 0.001 |
Implantology | 192 (51.5) | 181 (48.5) | |
Parallel | 267 (60.1) | 177 (39.9) | 0.12 |
Split-mouth | 42 (48.3) | 45 (51.7) | |
Other | 8 (61.5) | 5 (38.5) | |
Surgical | 229 (53.1) | 202 (46.9) | < 0.001 |
Non surgical | 88 (77.9) | 25 (22.1) | |
Single-centre | 272 (58.6) | 192 (41.4) | 0.69 |
Multi-centre | 45 (56.3) | 35 (43.8) | |
CONSORT endorsed | 225 (71.4) | 90 (28.6) | < 0.001 |
Non endorsed | 92 (40.2) | 137 (59.8) | |
Non-profit | 122 (70.1) | 52 (29.9) | < 0.001 |
Profit | 128 (57.9) | 93 (42.1) | |
No sponsor | 24 (53.3) | 21 (46.7) | |
Unclear funding | 43 (41.3) | 61 (58.7) | |
Conflict of interest reported | 305 (59.1) | 211 (40.9) | 0.09 |
Not reported | 12 (42.9) | 16 (57.1) | |
Statistical significant results | 255 (59.0) | 177 (41.0) | 0.48 |
Non significant results | 62 (55.4) | 50 (44.6) | |
Trial registered | 217 (68.7) | 99 (31.3) | < 0.001 |
Not registered | 100 (43.9) | 128 (56.1) | |
Statistician involved | 71 (61.7) | 44 (38.3) | 0.40 |
Not involved | 246 (57.3) | 183 (42.7) | |
Africa | 9 (33.3) | 18 (66.7) | < 0.001 |
Asia & Australia | 94 (68.1) | 44 (31.9) | |
Europe | 136 (53.3) | 119 (46.7) | |
North America | 33 (49.3) | 34 (50.7) | |
South America | 45 (78.9) | 12 (21.1) | |
Ethical approval reported | 315 (59.9) | 211 (40.1) | < 0.001 |
Not reported | 2 (11.1) | 16 (88.9) |