IF | Low (n=42)* | Medium (n=115) | High (n=59) | χ2 test | |
Primary outcome | Reported (n=114) | 14 (12.3)† | 64 (56.1) | 31 (27.2) | p=0.04 |
Failed to report (n=117) | 28 (23.9) | 51 (43.6) | 28 (23.9) | ||
Adverse events | Reported (n=144) | 25 (17.4) | 76 (52.8) | 39 (27.1) | p=0.7 |
Failed to report (n=87) | 17 (19.5) | 39 (44.8) | 20 (22.9) |
*Low IF (<2.57), medium IF (2.57≥IF< 8.42) and high IF (≥8.42).
†All data are presented as n (%).