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Table 2 Statistical analysis of the epidemiological and clinical characteristics of 21 pediatric deformity patients

From: Safety and efficacy of posterior vertebral column resection in complex pediatric deformities

  Total (n = 21)
Sex
 Male 7 (33.3%)
 Female 14 (66.7%)
Age (years)
 Mean ± SD. 15.2 ± 3.5
 Median (Min.–Max.) 16 (5–19)
Pathology
 Congenital scoliosis 4 (19%)
 Congenital kyphoscoliosis 6 (28.6%)
 AIS 7 (33.3%)
 Neuromuscular scoliosis 3 (14.3%)
 Postlaminectomy kyphoscoliosis 1 (4.8%)
COBB
 Preoperative
  Mean ± SD. 82.9 ± 23.9
  Median (Min.–Max.) 88 (33–140)
 Postoperative
  Mean ± SD. 28.8 ± 14.2
  Median (Min.–Max.) 29 (7–62)
 2 years postoperative
  Mean ± SD. 30.2 ± 14.9
  Median (Min.–Max.) 30 (7–65)
Estimated blood loss
 Mean ± SD. 2816.7 ± 1441.5
 Median (Min.–Max.) 3200 (350–5500)
Monitoring
 No 8 (38.1%)
 Yes 13 (61.9%)
Operative time (min)
 Mean ± SD. 339 ± 84.3
 Median (Min.–Max.) 360 (180–440)
Follow-up (months)
 Mean ± SD. 26.3 ± 3.1
 Median (Min.–Max.) 25 (24–36)
Self-image domain
 Preoperative
  Mean ± SD. 2.3 ± 0.5
  Median (Min.–Max.) 2.2 (1.6–3.2)
 Postoperative
  Mean ± SD. 3.9 ± 0.4
  Median (Min.–Max.) 4 (3–4.4)
  t0 (p) 11.892 (< 0.001*)
  1. p value is bold because it is the only test of the significance in the table
  2. t0: paired t-test
  3. p: p value for comparing between preoperative and postoperative self-image domain
  4. *Statistically significant at p ≤ 0.05