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Table 1 Characteristics of boys with and without Sever’s disease

From: Slow velocity of the center of pressure and high heel pressures may increase the risk of Sever’s disease: a case-control study

Characteristic Total participants (N = 106) Sever’s disease group (n = 53) Control group (n = 53) P value
Age in yearsa 10.73 ± 1.36 (10.47–10.99) 10.66 ± 1.50 (10.25–11.06) 10.81 ± 1.20 (10.48–111.14) 0.570
Height in cma 142.99 ± 9.21 (141.23–144.74) 144.05 ± 10.75 (141.16–146.95) 141.92 ± 7.31 (139.95–143.89) 0.235
Weight in kga 38.35 ± 7.50 (36.92–39.78) 40.21 ± 8.38 (37.95–42.47) 36.49 ± 6.03 (34.86–38.11) 0.005
BMIa 18.63 ± 2.24 (18.20–19.05) 19.18 ± 1.88 (18.68–19.69) 18.07 ± 2.44 (17.41–18.73) 0.009
Heel affected, right/left 80 right/26 left 40 right/13 left 40 right/13 left
  1. aThe cells in these rows show means±standard deviations, with 95% confidence intervals in parentheses
  2. Abbreviation: BMI body mass ind