Table 5. Diagnostic accuracy of lung ultrasound findings in adults.

Study	LUS finding	Patients	PTB	Sensitivity (95% CI)	Specificity (95% CI)
Agostinis 2017 [34]	Subpleural nodule	60	60	96.7 (88.5–99.6)
	Lung consolidation	60	60	46.7 (33.7–60.0)
	Pleural effusion	60	60	18.3 (9.5–30.4)
	Miliary pattern	60	60	6.7 (1.9–16.2)
	Cavitation	60	60	5.0 (1.0–13.9)
Babasa 2019* [35]	Subpleural nodules or pleural effusion or consolidation or C-lines	131	**	55.8 (45.7–65.5)	92.3 (75.7–99.1)
Fentress 2020 [33]	Subpleural nodule	51	51	80.4 (66.9–90.2)
	Lung consolidation	51	51	80.4 (66.9–90.2)
	Pleural effusion	51	51	7.8 (2.2–18.9)
	Miliary pattern	51	51	0.0 (0.0–7.0)
	Cavitation	51	51	5.9 (1.2–16.2)
Montuori 2019 [9]	Subpleural nodule	102	51	72.5 (58.3–84.1)	66.7 (52.1–79.2)
	Lung consolidation	102	51	78.4 (64.7–88.7)	35.3 (22.4–49.9)
	Pleural effusion	102	51	19.6 (9.8–33.1)	74.5 (60.4–85.7)
	Miliary pattern
	Cavitation	58	30	30.0 (14.7–49.4)	89.3 (71.7–97.7)
Wagih 2020 [36]	Subpleural nodule	50	50	100.0 (92.9–100.0)
	Lung consolidation
	Pleural effusion	50	50	24.0 (13.1–38.2)
	Miliary pattern	50	50	0.0 (0.0–7.1)
	Cavitation	50	50	4.0 (0.4–13.7)

95% CI = exact binomial 95% confidence interval; LUS = lung ultrasound.

*raw numbers of true positives, false positive, false negatives and true negatives were unavailable; confidence intervals are as presented in abstract so may not correspond to other calculated confidence intervals.

**number of patients with PTB not reported.