Table 3.

Test characteristics of specific findings compared to LUS in non-mechanically ventilated patients

	Abnormal, N	Total, N	Diagnostic performance in % (95% confidence intervals)
			Sensitivity	Specificity	PPV	NPV	Diagnostic accuracy
Crepitations	73	387	36 (28–45)	90 (85–94)	66 (55–75)	73 (70–75)	71 (67–76)
Rhonchi	70	384	28 (21–36)	87 (82–91)	54 (44–64)	69 (66–71)	66 (61–71)
Auscultation	124	391	51 (43–60)	79 (73–84)	56 (49–63)	75 (72–79)	69 (64–74)

Abnormal auscultation was defined as the presence of crepitations and/or rhonchi at any of the sites