Table 4.

Chest X-ray parameters.

Chest X-ray parameters	Cardiomegaly	Cephalization	Pulmonary Edema	Pleural effusion
Sensitivity	0.78	0.35	0.35	0.45
Specificity	0.50	0.80	0.97	0.77
PPV	0.70	0.73	0.94	0.75
NPV	0.60	0.44	0.49	0.47
LLR+	1.57	1.73	10.43	1.91
LLR−	0.43	0.81	0.67	0.72
Accuracy	0.67	0.53	0.59	0.57