Table 2.

Performances of ResNet-50 in Data Set 1 and Data Set 2. Parentheses show 95% CIs.

Test set	Radiographic finding	AUC	Sensitivity	Specificity	PLR	NLR
Data Set 1	Alveolar pattern	0.87 (0.78–0.97)	0.95 (0.64–1)	0.38 (0.31–0.45)	1.48 (1.2–1.8)	0.2(0.01–1.4)
Data Set 2	Alveolar pattern	0.89 (0.86–0.92)	0.95 (0.9–0.98)	0.52 (0.38–0.72)	1.99 (1.8–2.2)	0.095 (0.04–0.2)
Data Set 1	Bronchial pattern	0.78 (0.66–0.9)	0.95 (0.66–0.99)	0.092 (0.04–0.68)	1.02 (0.9–1.2)	0.78(0.1–0.54)
Data Set 2	Bronchial pattern	0.69 (0.61–0.76)	0.96 (0.86–0.99)	0.20 (0.17–0.24)	1.2 (1.1–1.3)	0.2 (0.05–0.8)
Data Set 1	Cardiomegaly	0.92 (0.88–0.97)	0.95 (0.86–1)	0.52 (0.43–0.6)	1.98 (1.7–2.3)	0.08 (0.02–0.3)
Data Set 2	Cardiomegaly	0.89 (0.86–0.92)	0.95 (0.91–0.98)	0.59 (0.54–0.63)	2.31 (2.1–2.6)	0.076 (0.03–0.2)
Data Set 1	Interstitial pattern	0.92 (0.9–0.98)	0.95 (0.52–1)	0.77 (0.71–0.83)	3.88 (2.8–5.5)	0.14 (0.02–0.9)
Data Set 2	Interstitial pattern	0.79 (0.73–0.85)	0.95 (0.87–1)	0.44 (0.4–0.48)	1.72 (1.6–1.9)	0.09 (0.02–0.3)
Data Set 1	Mass	0.77 (0.68–0.875)	0.95 (0.74–1)	0.42 (0.35–0.5)	1.64 (1.4–1.9)	0.12 (0.02–0.8)
Data Set 2	Mass	0.66 (0.55–0.77)	0.95 ( 0.85–1)	0.11 (0.09–0.14)	1.1 (1–1.2)	0.26 (0.04–1.8)
Data Set 1	Megaesophagus	0.78 (0.56–1)	0.95 (0.42–1)	0.29 (0.17–0.27)	1.10 (0.8–1.5)	0.65(0.1–4.1)
Data Set 2	Megaesophagus	0.80 (0.71–0.90)	0.95 (0.76–1)	0.31 (0.27–0.34)	1.37 (1.2–1.5)	0.16 (0.02–1.1)
Data Set 1	Pleural effusion	0.96 (0.9–1)	0.95 (0.64–1)	0.57 (0.49–0.63)	2.11 (1.7–2.6)	0.14 (0.02–0.9)
Data Set 2	Pleural effusion	0.96 (0.93–0.98)	0.95 (0.73–1)	0.81 (0.77–0.84)	4.87(4.0–5.9)	0.07 (0.01–0.5)
Data Set 1	Pneumothorax	0.88 (0.72–0.96)	0.95 (0.75–0.98)	0.40 (0.35–0.34)	1.56 (1.3–1.6)	0.24 (0.07–1.8)
Data Set 2	Pneumothorax	0.84 (0.72–0.96)	0.95 (0.64–0.96)	0.30 (0.27–0.34)	1.35 (1.2–1.5)	0.18 (0.03–1.2)
Data Set 1	Unremarkable	0.88 (0.83–0.92)	0.95 (0.89–0.98)	0.63 (0.54–0.73)	2.62 (2–4.4)	0.08 (0.04–0.2)
Data Set 2	Unremarkable	0.83 (0.80–0.86)	0.95 (0.92–0.97)	0.44 (0.38–0.5)	1.69 (1.5–1.9)	0.11(0.07–0.2)

AUC area under the receiver operator curve, PLR positive likelihood ratio, NLR negative likelihood ratio.

Most relevant results have been bolded.