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Table 3 Performance characteristics for varying thresholds

From: Point-of-care prediction model of loop gain in patients with obstructive sleep apnea: development and validation

Threshold

Sensitivity

(95% CI)

Specificity

(95% CI)

PPV

(95% CI)

NPV

(95% CI)

0.55

0.98

(0.95–1)

0.02

(0.01–0.05)

0.36

(0.36–0.37)

0.67

(0.25–1)

0.56

0.94

(0.89–0.98)

0.10

(0.06–0.15)

0.37

(0.36–0.39)

0.75

(0.55–0.9)

0.57

0.92

(0.85–0.97)

0.20

(0.14–0.26)

0.39

(0.37–0.42)

0.81

(0.69–0.91)

0.58

0.90

(0.83–0.95)

0.29

(0.22–0.36)

0.42

(0.39–0.45)

0.83

(0.74–0.92)

0.59

0.89

(0.82–0.95)

0.38

(0.31–0.46)

0.45

(0.42–0.48)

0.85

(0.78–0.92)

0.60

0.84

(0.77–0.92)

0.45

(0.38–0.52)

0.47

(0.43–0.51)

0.84

(0.76–0.9)

0.61

0.81

(0.73–0.89)

0.51

(0.42–0.58)

0.48

(0.44–0.53)

0.82

(0.76–0.89)

0.62

0.73

(0.65–0.81)

0.56

(0.48–0.63)

0.49

(0.43–0.54)

0.78

(0.73–0.84)

0.63

0.67

(0.57–0.76)

0.65

(0.57–0.72)

0.52

(0.46–0.59)

0.78

(0.72–0.83)

0.64

0.65

(0.55–0.74)

0.68

(0.6–0.75)

0.54

(0.47–0.6)

0.77

(0.72–0.82)

0.65

0.60

(0.51–0.71)

0.74

(0.67–0.8)

0.57

(0.5–0.65)

0.77

(0.72–0.82)

0.66

0.56

(0.46–0.66)

0.77

(0.7–0.83)

0.58

(0.51–0.66)

0.76

(0.71–0.8)

0.67

0.54

(0.45–0.65)

0.79

(0.72–0.85)

0.59

(0.51–0.68)

0.75

(0.71–0.8)

0.68

0.53

(0.44–0.64)

0.83

(0.76–0.88)

0.64

(0.55–0.73)

0.76

(0.71–0.8)

0.69

0.46

(0.35–0.56)

0.85

(0.79–0.9)

0.64

(0.54–0.74)

0.73

(0.7–0.77)

0.70

0.43

(0.33–0.53)

0.89

(0.83–0.93)

0.68

(0.58–0.79)

0.73

(0.7–0.77)

0.71

0.42

(0.32–0.52)

0.90

(0.85–0.94)

0.70

(0.59–0.81)

0.73

(0.7–0.76)

0.72

0.41

(0.31–0.51)

0.91

(0.86–0.95)

0.72

(0.61–0.84)

0.73

(0.7–0.76)

0.73

0.39

(0.29–0.49)

0.92

(0.88–0.96)

0.74

(0.62–0.85)

0.72

(0.69–0.76)

0.74

0.33

(0.24–0.43)

0.94

(0.9–0.97)

0.76

(0.64–0.88)

0.71

(0.68–0.74)

0.75

0.29

(0.2–0.39)

0.95

(0.92–0.98)

0.78

(0.65–0.9)

0.70

(0.68–0.73)

0.76

0.27

(0.19–0.36)

0.97

(0.94–0.99)

0.84

(0.7–0.96)

0.70

(0.67–0.73)

0.77

0.24

(0.16–0.32)

0.98

(0.95–0.99)

0.86

(0.71–0.97)

0.69

(0.67–0.72)

0.78

0.21

(0.12–0.29)

0.98

(0.95–0.99)

0.84

(0.68–0.97)

0.68

(0.66–0.71)

0.79

0.17

(0.09–0.24)

0.98

(0.95–0.99)

0.81

(0.61–0.96)

0.67

(0.65–0.69)

0.80

0.12

(0.06–0.2)

0.98

(0.96–1)

0.80

(0.57–1)

0.66

(0.65–0.68)

  1. 95% confidence intervals (CI) were estimated based on a bootstrap procedure (Nsamples = 2000)
  2. PPV positive predictive value, NPV negative predictive value