Table 3.

Sensitivity analysis of Table 2 analysis for omitting the time-dependent covariate in building the marginal probability of remaining uncensored.

Time-Dependent Variable Omitted	Age Group	Hazard Ratio	95% CI *		p-Value *
Therapeutic Anticoagulants	45–64 vs.<45	1.69	0.44	6.53	0.450
	65+ vs. <45	5.90	1.83	19.07	0.003
Broad-Spectrum Antibiotics	45–64 vs. <45	1.67	0.43	6.497	0.463
	65+ vs. <45	5.64	1.69	18.76	0.005
Antiplatelet Agents	45–64 vs. <45	1.76	0.48	6.40	0.390
	65+ vs. <45	5.40	1.73	16.83	0.004
Steroids	45–64 vs. <45	1.79	0.48	6.70	0.386
	65+ vs. <45	5.77	1.82	18.36	0.003
Investigational Antiviral	45–64 vs.<45	1.87	0.54	6.53	0.326
	65+ vs. <45	4.84	1.51	15.50	0.008
Hydroxychloroquine	45–64 vs.<45	2.01	0.56	7.28	0.286
	65+ vs. <45	5.97	1.88	19.01	0.003
Azithromycin	45–64 vs.<45	1.78	0.49	6.42	0.378
	65+ vs. <45	5.37	1.72	16.77	0.004
Plasma Treatment Status	45–64 vs.<45	3.42	1.02	11.43	0.046
	65+ vs. <45	7.33	2.22	24.18	0.001
Intubation Status	45–64 vs.<45	2.23	0.77	6.47	0.138
	65+ vs. <45	3.41	1.37	8.48	0.008
Tracheostomy Status	45–64 vs.<45	1.76	0.48	6.41	0.392
	65+ vs. <45	5.31	1.68	16.75	0.004

* Based on empirical standard errors.