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. 2020 Jul 10;155(4):159–161. doi: 10.1016/j.medcle.2020.07.002

Table 2.

Frequencies of the 3 outcome measures according to treatments and HR for the Cox regression models of time up to the event.

Treatment Survival
Intubation
Combined
Fr/n (%) HR (95% CI) significance Fr/n (%) HR (95% CI) significance Fr/n (%) HR (95% CI) significance
Tocilizumab 1/9 (11.1) 1 1/6 (16.7) 1 1/6 (16.7) 1
GC pulses 5/60 (8.3) 0.064 (0.03–1.181) 3/60 (5) 0.28 (0.019–4.19) 8/60 (13.3) 0.339 (0.032–3.64)
p = 0.065 p = 0.356 p = 0.372
GC pulses and tocilizumab 1/23 (4.4) 0.02 (0.0004–0.835) 1 (4.4) 0.24 (0.009–6.261) 2/23 (8.7) 0.175 (0.011–2.827)
p = 0.040 p = 0.391 p = 0.219

Fr/n: frequencies by outcome; GC: glucocorticoids; HR: hazard ratio (risk ratio) estimated using the Cox proportional hazards model; CI: confidence interval.