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Table 2 Characteristics and Physical Activity Measures of Adolescents with Upper Limb Fractures during Cast Immobilization vs Healthy Controls.

From: Decrease of physical activity level in adolescents with limb fractures: an accelerometry-based activity monitor study

  Injured adolescents
(n = 35)
Healthy controls
(n = 35)
p value
Age (yr) 12.6 ± 1.7 12.6 ± 1.8 0.5244
Height (cm) 157.7 ± 13.4 157.7 ± 11.8 0.9989
Weight (kg) 47.3 ± 12.1 46.3 ± 11.4 0.4253
BMI (kg/m2) 18.7 ± 2.4 18.4 ± 2.5 0.2610
Number of valid monitored days (days) 8.7 +/- 2.4 8.1 +/- 2.4 0.2044
Daily duration of physical activity monitoring (min) 752.1 ± 26.8 740.9 ± 37.4 0.3177
Total activity
(counts/min.day)
417.5 ± 179.1 597.1 ± 211.4 0.0003*
Time spent in sedentary activity (min/day)
(% of total daily wearing time)
598.2 +/- 54.7
79.6
540.4 +/- 64.4
72.9
0.0001*
Time spent in light activity (min/day)
(% of total daily wearing time)
111.8 +/- 41.1
14.9
136.5 +/- 40.1
18.4
0.0072*
Time spent in moderate (min/day)
(% of total daily wearing time)
20.7 +/- 8.4
2.7
30.2 +/- 12
4.1
0.0003*
Time spent in vigorous activity (min/day)
(% of total daily wearing time)
21.4 +/- 15.2
2.8
36.5 +/- 18.9
4.9
0.0008*
  1. The results are expressed as mean ± SD.
  2. *: statistically significant difference [please always place at foot of table]