Table 2 Psychometric properties at optimal cut-off values of self-rating anxiety scales for screening of generalized anxiety disorder in coronary artery disease patients (n = 523)
From: Screening for anxiety disorders in patients with coronary artery disease
Cut-off scores | N (%) | Sensitivity,% (95% CI) | Specificity,% (95% CI) | PPV,% (95% CI) | NPV,% (95% CI) | Accuracy,% | AUC (95% CI) |
|---|---|---|---|---|---|---|---|
Hospital anxiety and depression scale – anxiety subscale | |||||||
≥ 7 | 203 (39) | 92 (73–99) | 64 (60–68) | 12 (8–17) | 99 (98–100) | 65 | .85 (.76-.93) |
≥ 8 | 148 (28) | 92 (73–99) | 75 (71–79) | 16 (11–23) | 99 (98–100) | 76 | |
≥ 9 | 100 (19) | 69 (48–85) | 84 (80–87) | 18 (11–27) | 98 (96–99) | 83 | |
Spielberger trait anxiety inventory | |||||||
≥ 44 | 262 (50) | 92 (73–99) | 52 (48–57) | 9 (6–13) | 99 (97–100) | 54 | .82 (.75-.89) |
≥ 45 | 246 (47) | 92 (73–99) | 55 (51–60) | 10 (6–14) | 99 (97–100) | 57 | |
≥ 46 | 229 (44) | 85 (64–95) | 58 (54–63) | 10 (6–14) | 99 (96–100) | 60 | |
Spielberger state anxiety inventory | |||||||
≥ 39 | 267 (51) | 89 (69–97) | 51 (46–55) | 9 (6–13) | 99 (96–100) | 53 | .74 (.66-.82) |
≥ 40 | 251 (48) | 89 (69–97) | 54 (50–59) | 9 (6–14) | 99 (97–100) | 56 | |
≥ 41 | 226 (43) | 81 (60–93) | 59 (54–63) | 9 (6–14) | 98 (96–99) | 60 |  |