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Table 1 Patient characteristics of overall group and according to OSAHS level

From: Body composition in obstructive sleep apneahypopnea syndrome bio-impedance reflects the severity of sleep apneaComposizione corporea nella sindrome delle apneeostruttive nel sonno La bio-impedenza riflette la gravità del quadro notturno

PARAMETER

WHOLE GROUP

MILD OSAHS

MODERATE OSAHS

SEVERE OSAHS

Number of patients

30

10

10

10

Age (years)

45.1 ± 13.7

39.6 ± 12.4

46.7 ± 15.6

49.1 ± 13.9

Apnea-hypopnea index (events/hour)

29.6 ± 20.0

10.9 ± 2.7

23.9 ± 4.9

53.9 ± 13.3

Body mass index (kg/m2)

32.3 ± 4.1

30.7 ± 5.0

32.6 ± 2.6

33.6 ± 4.2

Neck circumference (cm)

43.8 ± 3.4

41.5 ± 0.9

44.3 ± 3.4

45.5 ± 3.9

Abdominal circumference (cm)

110.6 ± 12.0

102.8 ± 9.7

106.8 ± 6.1

122.1 ± 10.0

Body fat (%)

30.4 ± 4.7

27.1 ± 3.8

30.0 ± 3.8

34.0 ± 4.0

Body water (%)

47.0 ± 5.0

44.4 ± 2.7

45.6 ± 5.6

51.4 ± 2.6

Dry lean mass (%)

22.6 ± 6.9

28.5 ± 3.8

24,6 ± 3.2

14.8 ± 4.6

  1. Definition of abbreviation: OSAHS, obstructive sleep apnea-hypopnea syndrome.