3 months | Surgery | 51.3 |
Injection | 77.1 | |
RR (95% CI) | 0.665 (0.521 - 0.848) | |
P | 0.001 | |
6 months | Surgery | 70.0 |
Injection | 71.1 | |
RR (95% CI) | 0.985 (0.807 - 1.201) | |
P | 1 | |
12 months | Surgery | 67.5 |
Injection | 61.4 | |
RR (95% CI) | 1.009 (0.874 - 1.380) | |
P | 0.513 |