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. 2020 Sep 16;67(12):1798–1805. doi: 10.1007/s12630-020-01814-1

Table 2.

Primary and secondary outcomes

Hydrocortisone
(n = 88)
Vitamin C + hydrocortisone
(n = 52)
P value Effect size
Primary outcome - hospital death, n (%) 32 (36) 20 (39) 0.18 aOR 0.52 (95% CI, 0.20 to 1.34)
ICU death, n (%) 20 (23) 16 (31) 0.72 aOR 0.83 (95% CI, 0.30 to 2.31)
Ventilator-free days, mean (SD) 17.8 (11.8) 16.0 (11.8) 0.40 − 1.8 days (95% CI, − 5.95 to 2.39)
Vasopressor-free days, mean (SD) 19.7 (11.5) 16.9 (11.8) 0.17 − 2.8 days (95% CI, − 6.88 to 1.25)
ICU length of stay, mean (SD) 9.3 (11.7) 11.1 (13.3) 0.41 1.8 days (95% CI, − 2.57 to − 6.25)
Dialysis, n (%) 39 (44) 23 (44) 1.00 OR 1.00 (95% CI, 0.50 to 1.99)

Hospital and ICU death were analyzed using a multivariable logistic regression model. All other outcomes were analyzed using t tests or Chi square tests. Adjusted effect size (adjusted odds ratio [aOR]) is provided for outcomes analyzed with logistic regression, and unadjusted effect size is provided for the remaining outcomes

CI = confidence interval; ICU = intensive care unit; SD = standard deviation