Table 2.
Abnormal, N | Total, N | Diagnostic performance in % (98.5% confidence intervals) | |||||
---|---|---|---|---|---|---|---|
Sensitivity | Specificity | PPV | NPV | Diagnostic accuracy | |||
Crepitations | 130 | 917 | 66 (55–76) | 71 (67–75) | 28 (22–34) | 93 (90–95) | 72 (69–74) |
Rhonchi | 209 | 913 | 47 (39–56) | 69 (65–74) | 31 (25–38) | 82 (77–85) | 64 (61–67) |
Auscultation | 302 | 926 | 52 (45–59) | 74 (70–79) | 49 (42–56) | 76 (72–80) | 67 (64–70) |
Abnormal auscultation was defined as the presence of crepitations and/or rhonchi at any of the sites