Characteristics

No accident (n = 24)

One or more accidents (n = 27)

P value

Age (years)

60.0 ± 10.5

57.2 ± 10.4

0.183

Height (cm)

166.0 ± 4.9

164.3 ± 5.1

0.231

Weight (kg)

70.4 ± 12.0

73.5 ± 15.2

0.457

BMI (kg/m2)

25.5 ± 4.0

27.1 ± 4.6

0.220

AHI (/h)

32.5 ± 17.3

42.4 ± 18.6

0.033

Minimum SpO2 (%)

62.0 ± 21.5

67.8 ± 14.8

0.485

ODT (min)

66.9 ± 66.3

85.5 ± 77.5

0.154

Sleep efficiency (%)

84.1 ± 12.4

77.1 ± 11.4

0.065

%Stage 1

20.5 ± 10.6

25.3 ± 8.3

0.113

%Stage 2

44.7 ± 9.7

38.0 ± 11.8

0.050

%Stages 3 and 4

1.9 ± 5.7

0.7 ± 1.4

0.359

%REM

15.4 ± 8.9

12.4 ± 6.7

0.219

EEG arousal index (/h)

28.2 ± 16.9

41.5 ± 17.0

0.016

Movement arousal index (/h)

25.3 ± 16.7

36.4± 17.2

0.041

Accident score

1.14 ± 0.56

4.88± 3.34

<0.001

ESS score

10.9± 6.72

11.9± 6.94

0.621