Table 1 Baseline characteristics.

From: Prospective individual patient data meta-analysis of two randomized trials on convalescent plasma for COVID-19 outpatients

Characteristic

Total

(n = 782)

CPa

(n = 390)

Control

(n = 392)

Male sex—no. (%)

522 (66.8%)

267 (68.5%)

255 (65.1%)

Age—median (IQR)

58 (53–64)

58 (53–64)

58 (54–65)

50–60 y

428

222

206

61–70 y

217

103

114

>70 y

82

36

46

O2 saturation—median (IQR)b

97 (96–98)

97 (96–98)

97 (96–98)

Severe immunodeficiency—no. (%)

13 (1.7%)

5 (1.3%)

8 (2.1%)

Number of comorbidities—median (IQR)c

1 (0–2)

1 (0–2)

1 (0–2)

0

225

111

114

1

349

171

178

2–3

192

100

92

>3

15

7

8

Days since first symptoms—median (IQR)

5 (4–6)

5 (4–6)

5 (4–6)

Positive antibody status at baseline—no. (%)

53 (7.0%)

28 (7.7%)

24 (6.4%)

  1. aConvalescent plasma.
  2. bBaseline oxygen saturation without supplementary oxygen.
  3. cObesity, cardiac disease, lung disease, neurological disease, diabetes, chronic renal failure, cancer and/or liver disease. See the Supplementary Appendix for additional details of the comorbidities.
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