Table 1.
Main Characteristics of the Health Care Workers Evaluated at T1 and T2 According to the Absence or Presence of Mild Symptoms
| Whole Data Set | Subset With Both T1 and T2 Measurements | |||||
|---|---|---|---|---|---|---|
| Asymptomatic | Mild Disease | P | Asymptomatic | Mild Disease | P | |
| Male, No. (%) | 21 (30.4) | 13 (37.1) | .4929 | 13 (31) | 11 (44) | .285 |
| Age, median (IQR), y | 49 (38–56) | 49 (44–54) | .7255 | 50 (39–57) | 49 (46–55) | .4755 |
| Days from diagnosis to T1, median (IQR) | 70 (39–88) | 61 (42–75) | .3371 | 76 (44–89) | 63 (46–84) | .2905 |
| Days from diagnosis to T2, median (IQR) | n.a. | n.a. | n.a. | 228 (210–268) | 178 (163–225) | .0059 |
| Subjects with undetectable NtAb at T1, No. (%) | 14 (20.3) | 4 (11.4) | .41 | 4 (9.5) | 1 (4) | .643 |
| Subjects with undetectable NtAb at T2, No. (%) | n.a. | n.a. | n.a. | 13 (31) | 0 | .001166 |
| NtAb titer at T1, median (IQR) | 14.5 (7–32.7) | 28 (14.3–100.4) | .0125 | 15.5 (8.5–37) | 57.5 (15.1–121) | .0069 |
| NtAb titer at T2, median (IQR) | n.a. | n.a. | n.a. | 13 (2–29) | 31 (13.6–57.1) | .0147 |
Significant P values are indicated in bold.
Abbreviations: IQR, interquartile range; n.a., not available; T1, first NtAb titration; T2, interval between diagnosis and the second titration.