Table 2.
Bracing treatment and outcomes for 108 patients with adolescent idiopathic scoliosis
| Parameter | Patients | P | |||||
|---|---|---|---|---|---|---|---|
| All (n = 108) | RCO group (n = 13) | Boston-style TLSO group (n = 95) | |||||
| Mean (SD) | n (%) | Mean (SD) | n (%) | Mean (SD) | n (%) | ||
| Initial in-brace major curvea (°) | 22.8 (7.2) | 22.6 (6.4) | 22.6 (7.2) | 0.924 | |||
| Percent initial in-brace major curve correctiona | 28.4 (20.1) | 31.5 (15.2) | 27.8 (20.1) | 0.538 | |||
| Time in brace (year) | 2.4 (1.4) | 2.8 (0.9) | 2.4 (1.4) | 0.193 | |||
| Brace wear time per day (h) | |||||||
| All patientsb | 16.2 (5.3) | 17.0 (6.1) | 16.1 (5.2) | 0.641 | |||
| Patients with Risser stage 0 or 1c | 17.0 (5.8) | 18.9 (5.8) | 16.8 (5.8) | 0.296 | |||
| Final major curve (°) | 37.6 (13.3) | 32.3 (10.4) | 38.3 (13.5) | 0.077 | |||
| Final major curve | |||||||
| >30° | 70 (65) | 6 (46) | 64 (67) | 0.133 | |||
| >50° | 18 (17) | 1 (8) | 17 (18) | 0.464 | |||
| Change in major curve from baselined (°) | 6.0 (12.1) | −0.4 (9.9) | 6.9 (12.1) | 0.028 | |||
| Percent change in major curve from baseline | 18.6 (38.9) | 0.0 (30.5) | 21.3 (38.8) | 0.030 | |||
| Progression to surgery | 32 (30) | 0 (0) | 32 (34) | 0.019 | |||
| At skeletal maturity | |||||||
| Major curve ≥45° | 32 (30) | 2 (15) | 30 (32) | 0.337 | |||
| Progression to surgery or major curve ≥45° | 38 (35) | 2 (15) | 36 (38) | 0.133 | |||
| Major curve change | |||||||
| Progression ≥6° | 52 (48) | 5 (38) | 47 (49) | 0.556 | |||
| Decrease ≥6° | 16 (15) | 4 (31) | 12 (13) | 0.100 | |||
| Unchanged (±5°) | 40 (37) | 4 (31) | 36 (38) | 0.764 | |||
SD standard deviation, RCO Rigo Chêneau orthosis, TLSO thoracolumbosacral orthosis
a n = 83 (RCO, n = 12; TLSO, n = 70)
b n = 107 (RCO, n = 13; TLSO, n = 94)
cRCO, n = 10; TLSO, n = 71
d n = 95 (RCO, n = 11; TLSO, n = 84)