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Table 4 PVS-SQ Diagnostic Efficiency Index

From: Metric properties of the “prescribe healthy life” screening questionnaire to detect healthy behaviors: a cross-sectional pilot study

 

TP

FP

FN

TN

Se, % (95% CI)

Sp, % (95% CI)

Accuracy, % (95% CI)

LR+ (95% CI)

LR- (95% CI)

PA

74

21

15

5

81.3 (72.1–88.0)

19.2 (8.5–37.8)

67.5 (58.6–75.3)

1.0 (0.8–1.3)

0.88 (0.5–1.6)

F&V

90

1

27

3

76.9 (68.5–83.6)

75.0 (30.0–95.4)

76.9 (68.6–83.53)

3.1 (0.6–16.8)

0.31 (0.2–0.4)

TB

24

15

1

81

96.0 (80.5–99.3)

84.4 (75.6–90.3)

86.8 (79.6–91.7)

6.1 (3.8–9.8)

0.05 (0.0–0.3)

  1. TP true positive, F false positive, FN false negative, TN true negative, NE not estimable