TABLE 3.
Logistic regression model assessing demographic and clinical factors and PCC among the study population
| Characteristic | OR (95% CI), N = 882 | |||
|---|---|---|---|---|
| Univariate | Model 1 | Model 2 | ||
| Age, scaled to 10 years | 1.31 (1.18, 1.46) | 1.35 (1.20, 1.51) | 1.32 (1.17, 1.50) | |
| Sex | ||||
| Male | Ref. | Ref. | Ref. | |
| Female | 2.26 (1.68, 3.06) | 2.38 (1.74, 3.28) | 2.69 (1.93, 3.81) | |
| Race | ||||
| White | Ref. | Ref. | Ref. | |
| Non-white | 0.84 (0.58, 1.20) | 0.81 (0.55, 1.20) | 0.85 (0.56, 1.28) | |
| BMI b | ||||
| <30 | Ref. | Ref. | Ref. | |
| ≥30 | 1.39 (1.04, 1.87) | 1.21 (0.88, 1.66) | 1.19 (0.85, 1.67) | |
| Vaccine status | ||||
| None | Ref. | Ref. | Ref. | |
| Partially or fully | 0.83 (0.58, 1.16) | 0.87 (0.60, 1.25) | 0.87 (0.59, 1.26) | |
| Diabetes | ||||
| No | Ref. | Ref. | Ref. | |
| Yes | 1.69 (1.03, 2.75) | 1.24 (0.72, 2.14) | 1.23 (0.69, 2.21) | |
| Plasma transfused | ||||
| Control ≤5 days since symptom onset | Ref. | Ref. | Ref. | |
| CCP ≤5 days since symptom onset | 0.77 (0.50, 1.19) | 0.85 (0.53, 1.34) | 0.75 (0.46, 1.23) | |
| Control >5 days since symptom onset | 1.13 (0.76, 1.68) | 1.08 (0.70, 1.67) | 1.05 (0.66, 1.67) | |
| CCP >5 days since symptom onset | 1.13 (0.76, 1.68) | 1.30 (0.85, 1.99) | 1.21 (0.77, 1.92) | |
| Log10 IL-6, pg/mL | – | – | 1.59 (1.02, 2.47) | |
a
P values <0.05 are highlighted in bold. Model 1 includes age, sex, race, BMI, vaccine status, diabetes, and the time between CCP transfusion and illness onset. Model 2 additionally includes log10 IL-6.
b
BMI, body mass index; CCP, COVID-19 convalescent plasma; PCC, post-COVID-19 condition at day 90; Ref., reference group; –, not applicable.