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Table 3 Characteristics and Physical Activity Measures of Adolescents with Lower 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 = 34)

Healthy controls

(n = 34)

p value

Age (yr)

13.6 ± 1.6

13.3 ± 1.6

0.2312

Height (cm)

161.9 ± 11.1

162 ± 12.9

0.9501

Weight (kg)

52.1 ± 11.8

51.8 ± 11.8

0.8128

BMI (kg/m2)

19.7 ± 2.5

19.5 ± 2.5

0.2614

Number of valid monitored days (days)

9.1 +/- 1.8

8.2 +/-2

0.0276*

Daily duration of physical activity monitoring (min)

746.7 ± 22.9

749.3 ± 33.3

0.8241

Total activity

(counts/min.day)

200.9 ± 92.3

534.5 ± 207.3

<0.0001*

Time spent in sedentary activity (min/day)

(% of total daily wearing time)

664.4 +/- 40.9

89

564.3 +/- 64.4

75.3

<0.0001*

Time spent in light activity (min/day)

(% of total daily wearing time)

68.4 +/- 26.4

9.2

125.7 +/- 40.1

16.8

<0.0001*

Time spent in moderate (min/day)

(% of total daily wearing time)

8.9 +/- 7.2

1.2

27.5 +/- 11.4

3.7

<0.0001*

Time spent in vigorous activity (min/day)

(% of total daily wearing time)

5 +/- 6.8

0.6

31.8 +/- 18

4.2

<0.0001*

  1. The results are expressed as mean ± SD.
  2. *: statistically significant difference (please always place at foot of table)