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. 2023 Jan 30;8:46. doi: 10.1038/s41392-023-01323-9

Table 2.

Mortality and proportion of patients alive and discharged without supplemental oxygen on day 29

Characteristics Statistics Meplazumab + SoC Placebo + SoC (N = 41)
0.12 mg/kg (N = 41) 0.2 mg/kg (N = 41) 0.3 mg/kg (N = 44)
Patients who died by day 29 n (%) 1 (2.4) 6 (14.6) 4 (9.1) 6 (14.6)
Difference in proportionsa −12.2 0 −5.5
CMH p-value 0.0150 0.9923 0.7291
Patients alive and discharged without supplemental oxygen by day 29 n (%) 34 (82.9) 27 (65.9) 31 (70.5) 29 (70.7)
Difference in proportionsa 12.2 −4.8 −0.2
CMH p-value 0.0337 0.4943 0.8286

Note: Day of death was derived as (Date of death—Date of randomization + 1)

Note: Percentages are based on the number of patients in the analysis set by treatment group

Note: Patients with no data on day 29 are treated as a non-responder

aThe difference in proportions is calculated as: the proportion of dose group—the proportion of control group

p-value from a CMH test adjusted for age group (age < 65 years versus ≥65 years) and baseline severity grade

Abbreviations: CMH Cochran-Mantel-Haenszel, N number of patients in analysis set, n number of patients, SoC Standard of Care