Table 2 Comparison of the performance of the individual items with confidence intervals in the Berlin questionnaire for prediction of OSA against polysomnography and home sleep study

0.80

(0.73, 0.88)

0.76

(0.68, 0.83)

0.78

(0.69, 0.87)

0.81

(0.73, 0.90)

0.79

(0.68, 0.91)

0.88

(0.79, 0.98)

0.39

(0.16, 0.61)

0.68

(0.48, 0.89)

0.23

(0.11, 0.36)

0.48

(0.35, 0.61)

0.24

(0.14, 0.33)

0.38

(0.29, 0.48)

0.89

(0.83, 0.95)

0.94

(0.89, 0.99)

0.67

(0.58, 0.76)

0.71

(0.62, 0.80)

0.38

(0.29, 0.48)

0.38

(0.29, 0.48)

0.24

(0.09, 0.40)

0.30

(0.17, 0.44)

0.35

(0.17, 0.52)

0.63

(0.48, 0.77)

0.66

(0.48, 0.83)

0.88

(0.79, 0.98)

1.31

(0.90, 1.91)

2.39

(1.23, 4.68)

1.02

(0.83, 1.24)

1.57

(1.20, 2.06)

1.03

(0.86, 1.25)

1.43

(1.19, 1.73)

0.51

(0.26, 1.02)

0.36

(0.23, 0.55)

0.95

(0.49, 1.86)

0.39

(0.23, 0.65)

0.89

(0.45, 1.75)

0.30

(0.12, 0.72)