. 2020 Jul 18;28(3):455–464.e2. doi: 10.1016/j.chom.2020.07.005

Table 4.

Model-Adjusted Risk of Hospital Discharge and CT scan Improvement

Outcome	Analyzed Categories	Model Type	Estimate (95% CI)
Outcome	Analyzed Categories	Model Type	LPV/r Alone versusIFN + LPV/r	IFN Alone versusIFN + LPV/r	IFN + UFV versusIFN + LPV/r	UFV Alone versusIFN + LPV/r
Hospital discharge (hazard ratio)	survivors except late IFN	Cox proportional hazards^a	0.89 (0.66–1.21)^bp = 0.462	2.00 (1.34–2.97)p = 0.001	1.75 (1.28–2.38)p < 0.001	2.17 (1.56–3.00)p < 0.001
CT scan improvement(hazard ratio)	survivors except late IFN	Cox proportional hazards^a	0.98 (0.73–1.32)^bp = 0.875	1.28 (0.87–1.90)p = 0.212	1.30 (0.96–1.77)p = 0.092	1.63 (1.17–2.25)p = 0.004

Abbreviations: IFN, interferon α-2b; LPV/r, lopinavir and ritonavir; UFV, umifenovir.

Model adjusted for gender, age, hypertension, diabetes, oxygen saturation at admission, symptom onset to admission >7 days, and symptom count at admission.

Proportional hazard assumption not met.