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. 2021 Feb 13;82(3):384–390. doi: 10.1016/j.jinf.2021.02.015

Table 1.

Demographics of study population.

UK-discovery cohort US-replication cohort
C-19 RT-PCR positive C-19 RT-PCR negative C-19 RT-PCR positive C-19 RT-PCR negative
Total number 1202 121,103 79 3083
Male (%) 25.1% 25.3% 16.0% 17.5%
Mean age, years (SD) 44.3 (12.5) 48.5 (13.0) 52.7 (13.3) 53.8 (14.7)
Mean BMI (SD) 26.9 (5.75) 27.3 (5.5) 27.6 (6.4) 27.9 (6.0)

BMI = Body mass index; C-19 = COVID-19; RT-PCR = Reverse transcription polymerase chain reaction; SD = Standard deviation.