Table 3 Complement analytes in patients with COVID-19 in the Yale School of Medicine longitudinal cohort.

Statistical tests for comparison were done using the Mann-Whitney U test. All samples were drawn within 24 hours of hospital admission. Values are represented as medians (interquartile range).

Non-ICU
(n = 14)
ICU (n = 9)P
C5a, pg/ml43.2 (43.2–43.2)77.6
(43.2–285.6)
0.0016
Factor D, ng/ml1442
(1234–1803)
1825
(1541–2576)
0.07