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Table 2 The demographic, clinical characteristics, and therapeutic outcomes of patients

From: The therapeutic characteristics of serial casting on congenital scoliosis: a comparison with non-congenital cases from a single-center experience

Parameters CS (n = 8) Non-CS (IIS, n = 15) All (n = 23) P valuea
Sex, male 5 (62.50%) 6 (40%) 11 (47.83%) 0.400
Age at 1st cast, year 3.06 ± 1.47 (1.25–5.92) 3.36 ± 1.07 (1.33–5.50) 3.25 ± 1.20 (1.25–5.92) 0.316
Scoliosis side     0.657
 Left 3 (37.50%) 4 (26.67%) 7 (30.43%)  
 Right 5 (62.50%) 11 (73.33%) 16 (69.57%)  
Follow-up, month 21.13 ± 11.17 (13–47, median 18.5) 25.40 ± 12.96 (14.00–54.00, median 20) 23.91 ± 12.28 (13–54, median 19) 0.382
Number of casting 5.38 ± 1.06 (4–7) 5.87 ± 1.25 (4.00–8.00) 5.70 ± 1.18 (4–8) 0.404
Time in cast, month 15.63 ± 3.62 (12–22, median 14) 18.00 ± 3.05 (14.00–24.00, median 17) 17.17 ± 3.38 (12–24, median 17) 0.086
Cobb angle
 Precast 58.54 ± 17.55 (35.7–88.1) 48.97 ± 13.98 (35.20–87.20) 52.30 ± 15.62 (35.2–88.1) 0.175
 After the 1st cast 46.94 ± 15.75 (23.8–65.6)* 26.25 ± 11.95 (13.90–59.60)* 33.45 ± 16.47 (13.9–65.6)* 0.004
 The latest follow-up 48.51 ± 14.80 (25.7–64.6)* 27.49 ± 16.86 (4.00–66.20)* 34.80 ± 18.85 (4–66.2)* 0.010
bCorrection rate—Cobb angle, %
 After the 1st cast 20.52 ± 9.30 (6.83–34.62) 47.53 ± 13.40 (20.17–66.82) 38.14 ± 17.74 (6.83–66.82) <0.001
 The latest follow-up 17.09 ± 9.21 (5.44–28.01) 46.39 ± 21.38 (2.65–90.59) 36.20 ± 22.84 (2.65–90.59) 0.002
Thoracic kyphosis angle
 Precast 38.88 ± 13.88 (21.3–61.3) 30.20 ± 7.85 (19.30–46.00) 33.22 ± 10.88 (19.3–61.3) 0.121
 After the 1st cast 34.23 ± 12.80 (17.5–60) 24.79 ± 10.05 (11.00–50.20)* 28.07 ± 11.73 (11–60) 0.071
 The latest follow-up 36.21 ± 9.55 (23.7–48.6) 29.71 ± 6.18 (18.60–39.80)∆ 31.97 ± 7.96 (18.6–48.6) 0.121
Lumbar lordosis angle
 Precast 48.04 ± 15.44 (28–68.8) 32.61 ± 11.96 (15.00–53.50) 37.98 ± 14.95 (15–68.8) 0.033
 After the 1st cast 35.08 ± 13.50 (22.03–56.5) 27.74 ± 11.71 (12.70–58.60) 30.29 ± 12.57 (12.7–58.6)* 0.197
 The latest follow-up 41.19 ± 10.54 (26.6–58.2) 34.83 ± 8.65 (20.70–49.20) 37.04 ± 9.62 (20.7–58.2)∆ 0.129
Thoracic spine growth rate, cm/year 0.72 ± 0.20 (0.46–1) 1.42 ± 0.22 (0.98–1.80) 1.18 ± 0.40 (0.46–1.8) <0.001
Outcome at the latest follow-up     0.168
 Cast 7 (75.00%) 7 (46.67%) 12 (52.17%)  
 Brace 1 (12.50%) 7 (46.67%) 8 (34.78%)  
 Surgery 1 (12.50%) 1 (6.67%) 3 (13.04%)  
  1. Data was presented as mean ± SD (range) or n (%)
  2. *P < 0.05 in intragroup comparison to “precast”
  3. ∆ P < 0.05 in intragroup comparison to “after 1st cast”
  4. a P values for intergroup comparison
  5. bCorrection rate was calculated as follows: (precast angle − post-treatment angle)/precast angle × 100%
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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X