BMC Medical Imaging

Table 3 Performances of RS1, RS2, radiomic model, clinical factor, and predictive nomogram

From: Computed tomography-based predictive nomogram for differentiating primary progressive pulmonary tuberculosis from community-acquired pneumonia in children

Index	Primary Cohort							Validation Cohort
Index	RS1	RS2	radiomic model	clinical factors	predictive nomogram	senior radiologist	junior radiologist	RS1	RS2	radiomic model	clinical factors	predictive nomogram	senior radiologist	junior radiologist
TP	27	35	38	25	39	30	29	10	11	12	10	12	10	9
TN	41	42	42	43	41	39	31	14	15	15	15	15	13	12
FN	13	5	2	15	1	10	11	3	2	1	3	1	3	4
FP	5	4	4	3	5	7	15	2	1	1	7	1	3	4
Acc	79.07%	89.53%	93.02%	79.07%	93.02%	80.23%	69.77%	82.76%	89.66%	93.10%	86.21%	93.10%	79.31%	72.41%
Sen	0.675	0.875	0.950	0.625	0.975	0.750	0.725	0.769	0.846	0.923	0.769	0.923	0.769	0.692
Spe	0.891	0.913	0.913	0.935	0.891	0.848	0.673	0.875	0.938	0.938	0.938	0.938	0.813	0.750
PPV	0.844	0.897	0.904	0.893	0.886	0.811	0.695	0.833	0.917	0.923	0.909	0.923	0.769	0.692
NPV	0.759	0.894	0.955	0.741	0.976	0.796	0.738	0.824	0.882	0.938	0.833	0.938	0.813	0.750
AUC (95%CI)	0.837 (0.753–0.921)	0.948 (0.903–0.994)	0.970 (0.939–1)	0.849 (0.769–0.929)	0.977 (0.953–1)	0.799 (0.716-0.884)	0.700 (0.602-0.797)	0.803 (0.615–0.990)	0.938 (0.846–1)	0.957 (0.889–1)	0.832 (0.677–0.987)	0.971 (0.912–1)	0.7910.636-0.946)	0.721 (0.551-0.892)

NOTE. TP true positive, TN true negative, FN false negative, FP false positive, Acc accuracy, Sen sensitivity, Spe specificity, PPV positive predictive value, NPV negative predictive value, AUC area under ROC curve, CI confidence interval

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