| Group A (n = 45) | Group B (n = 45) | P value |
---|---|---|---|
6 months | 38 (84.4%) (95%CI; 70.5–93.5%) | 29 (64.4%) (95%CI; 48.8–78.1%) | 0.052 |
9 months | 34 (75.6%) (95%CI; 60.5–87.1%) | 26 (57.8%) (95%CI; 42.2–72.3%) | 0.117 |
12 months | 31 (68.9%) (95%CI; 53.4–81.8%) | 20 (44.4%) (95%CI; 29.6–60.0%) | 0.033 |