Table 4.
Comparison of baseline characteristics of subgroups BrAIST and EB in our study with paired RCTs [8,9]. Values are reported with ± Standard Deviation or 95% Confidence Intervals in parenthesis.
| BrAIST Subgroup vs. BrAIST RCT | EB Subgroup vs. Coillard RCT | PSSE Subgroup vs. Monticone RCT | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BrAIST Subgroup of the Current Study | Comparison with BrAIST RCT Groups | Coillard Subgroup of the Current Study | Comparison with Coillard RCT Groups | PSSE Subgroup of the Current study | Comparison with Monticone RCT Groups | |||||||||||
| Observed | p | Treated | p | Observed | p | Treated | p | Observed | p | Treated | p | |||||
| Number | 687 | 96 | 146 | 884 | 36 | 21 | 590 | 55 | 55 | |||||||
| Age | 12.7 ± 1.3 | 12.7 ± 1.2 | NS | 12.7 ± 1.0 | NS | 12.11 ± 1.5 | 12.2 ± 2 | NS | 12.2 ± 2 | NS | 12.6 ± 1.4 | 12.5 ± 1.1 | NS | 12.4 ± 1.1 | NS | |
| Female sex | 83% (81–86) | 90% (84–96) | 0.13 | 92% (88–96) | 0.01 | 82% (80–85) | 86% (74–97) | 0.68 | 85% (69–100) | 0.88 | 82% (79–85) | 71% (59–83) | 0.07 | 75% (63–86) | 0.23 | |
| Race | White | 100% | 76% (67–85) | <0.0001 | 79% (72–86) | <0.0001 | 100% | NA | NA | (100%) | NA | NA | ||||
| Black | 0 | 11% (11–11) | 8% (8–8) | 0 | NA | NA | 0 | NA | NA | |||||||
| Other | 0 | 9% (9–9) | 5% (5–5) | 0 | NA | NA | 0 | NA | NA | |||||||
| Unknown | 0 | 3% (3–3) | 8% (8–8) | 0 | NA | NA | 0 | NA | NA | |||||||
| Height | 157.3 ± 9.1 | 153.6 ± 10.6 | 0.0002 | 156.5 ± 9.1 | NS | 158.7 ± 9.5 | 156.2 ± 9.1 | 146.3 ± 7.5 | <0.0001 | 147.0 ± 5.7 | <0.0001 | |||||
| Cobb angle of the largest curve | 28.4 ± 5.8 | 30.3 ± 6.5 | 0.003 | 30.5 ± 5.8 | <0.0001 | 22.3 ± 4.5 | 20.0 ± 4.1 | 0.002 | 22.0 ± 4.9 | 0.3 | 18.1 ± 4.1 | 19.3 ± 3.9 | 0.03 | 19.2 ± 2.5 | 0.05 | |
| Risser grade | 0 | 56% (52–60) | 64% (54–74) | NS | 56% (48–64) | NS | 48% (45–51) | 69% (65–73) | 45% (32–59) | 0.0007 | 45% (32–59) | 0.0007 | ||||
| 1 | 22% (19–25) | 20% (12–28) | 31% (23–39) | 43% (40–46) | 31% (27–35) | 55% (41–68) | 55% (41–68) | |||||||||
| 2 | 21% (18–24) | 13% (6–20) | 10% (5–15) | 29% (26–32) | ||||||||||||
| Treatment intensity | 0 Observation | 1% (0–1) | 100% (100–100) | 0% (0–0) | 1% (0–2) | 100% (100–100) | 0% (0–0) | 6% (4–8) | 100% (100–100) | 0% (0–0) | ||||||
| 1 PSSE (SEAS School) | 14% (11–16) | 41% (38–45) | 60% (56–64) | 0% (0–0) | 100% (100–100) | |||||||||||
| 2 Elastic brace (SpineCor) | 9% (7–11) | 10% (8–12) | 0% (0–0) | 100% (100–100) | 8% (6–10) | |||||||||||
| 3 Rigid brace 18/21 h/d | 29% (26–33) | 0% (0–0) | 100% (100–100) | 31% (28–34) | 20% (17–24) | |||||||||||
| 4 Rigid brace 22/24 h/d | 11% (9–13) | 5% (3–6) | 2% (1–3) | |||||||||||||
| 5 Very rigid brace (Sforzesco) 18–21 h/d | 9% (7–11) | 7% (5–9) | 3% (2–4) | |||||||||||||
| 6 Very rigid brace (Sforzesco) 22–24 h/d | 28% (24–31) | 5% (3–6) | 1% (0–2) | |||||||||||||