Table 2. Outcomes in the NB, SSE, and Control Groups.
| Outcomea | Group, No. (%) | P valueb | |||
|---|---|---|---|---|---|
| NB | SSE | PA (control) | NB vs PA | SSE vs PA | |
| Intention-to-treat analysis (n = 135) | |||||
| Success | 34 (76) | 26 (58) | 24 (53) | .03 | .67 |
| Failure | 11 (24) | 19 (42) | 21 (47) | ||
| Per-protocol analysis (n = 122) | |||||
| Success | 31 (74) | 20 (51) | 20 (49) | .02 | .82 |
| Failure | 11 (26) | 19 (49) | 21 (51) | ||
Abbreviations: NB, nighttime bracing; PA, physical activity alone; SSE, scoliosis-specific exercise.
a
Success was defined as 6° or less of curve progression before skeletal maturity and failure as more than 6° of curve progression before skeletal maturity.
b
Pearson χ2 test was used.