| Time |
Group I (60) |
Group II (60) |
| Mean ± SD |
Mean ± SD |
| Baseline |
60.5 ± 56.6 |
71.0 ± 92.3 |
| 3 months |
44.0#± 40.4 |
42.8#± 40.8 |
| 6 months |
40.2#± 40.6 |
40.2#± 36.2 |
| 12 months |
39.4#± 40.9 |
38.2#± 30.4 |
| 18 months |
37.9#± 38.3 |
33.4#± 29.5 |
| 24 months |
37.9#± 38.3 |
33.4#± 29.5 |
| Group Difference |
0.833 |
| Time Difference |
0.091 |
| Group by Time Interaction |
0.970 |
# indicates significant difference with from their baseline values (P< 0.05) |