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. 2021 Nov 10;15(1):100–108. doi: 10.1016/j.jiph.2021.10.028

Table 2.

Comparison of baseline characteristics between plasma convalescent recipients and historical control.

Convalescent plasma Historical control p
n 15 15
Male (%) 13 (86.7) 13 (86.7) 1
Age (median [range]) 50 [28–88] 53 [33–89] 0.618
Severe COVID-19 (%) 12 (80.0) 13 (86.7) 1



Blood group (%) 0.046
O 7 (46.7) 2 (15.4)
B 7 (46.7) 5 (38.5)
AB 1 (6.7) 1 (7.7)
A 0 (0.0) 5 (38.5)



Comorbid number (%) 0.579
0 4 (26.7) 5 (33.3)
1 4 (26.7) 3 (20.0)
2 2 (13.3) 5 (33.3)
3 3 (20.0) 1 (6.7)
4 2 (13.3) 1 (6.7)



Baseline parameter
Temperature (median [range]) 36.70 [36–37] 36.70 [36–37.50] 0.15
Ct Value (median [range]) 30.78 [7.78–38.39] 33.27 [19.10–38.02] 0.322
SOFA (median [range]) 3 [0–6] 4 [0–5] 0.03
PaO2/FiO2 ratio (median [range]) 147.60 [62.10–660.50] 114.40 [39.20–464] 0.13
WBC (median [range]) 9.43 [5.27–29.10] 10.27 [5.30–35.26] 0.756
ANC (median [range]) 7.31 [0.87–26.77] 7.38 [3.90–29.97] 0.59
ALC (median [range]) 0.71 [0.29–2.01] 1.11 [0.63–4.51] 0.033
AMC (median [range]) 0.44 [0.11–1.04] 0.63 [0.20–2.44] 0.097
Stab (median [range]) 0.11 [0.01–0.87] 0.06 [0–1.50] 0.25
CRP (median [range]) 69 [5–150] 80 [13–150] 0.253
Procalcitonin (median [range]) 0.06 [0.05–0.90] 0.21 [0.05–28.96] 0.118
D-Dimer (median [range]) 617 [216–5670] 613.50 [200–2044] 0.77