Table 2.

Odds ratios for subsequent intubation or death within 3 days of hospital admission in 142 patients hospitalized at least in part from March 27, 2020 to March 31, 2020 at Massachusetts General Hospital who did not have an endotracheal tube on the admission CXR, using AI-assigned (PXS-original or PXS-updated) severity categories on the CXR

AI Severity Category	PXS-Original			PXS-Updated
	Patients, N	Odds Ratio	p-value*	Patients, N	Odds Ratio	p-value*
Normal/Minimal	31	0.2	0.002	38	0.2	0.004
Mild	51	0.6	0.2	44	0.8	0.7
Moderate	54	2.4	0.03	50	1.9	0.09
Severe	6	4.4	0.09	10	5.5	0.01
Combined moderate/severe	60	4.1	<0.001	60	3.1	0.002

^⁎Fisher exact test.