| Subgroup (C) | Subgroup (NC) | ||||||
---|---|---|---|---|---|---|---|---|
IS 64 (57.7%) | p | S2AI 4 (12.9%) | p | IS 47 (42.3%) | p | S2AI 27 (87.1%) | p | |
Preop | 53.3 ± 14.1 |  | 57.9 ± 10.8 |  | 56.3 ± 8.1 |  | 56.6 ± 11.8 |  |
Postop | 59.1 ± 11.5 | 0.032 | 51.7 ± 8.9 | 0.029 | 53.1 ± 6.4 | 0.085 | 56.9 ± 12.4 | 0.911 |
Change | 5.8 ± 6.5 |  | −6.2 ± 9.3 |  | − 3.2 ± 3. |  | 0.3 ± 2.2 |  |