Table 1.
Patient characteristics for saliva samples
| Variable | SARS-CoV-2 negative (n = 18) |
SARS-CoV-2 positive (n = 60) |
P value |
|---|---|---|---|
| Age (years), mean (SD) | 44.85 (16.31) | 54.51 (16.40) | 0.03 |
| Sex: Male, n (%) | 10 (55.56) | 40 (66.67) | 0.561 |
| BMI, mean (SD) | 30.4 (9.73)b | 34.43 (10.87) | 0.146 |
| Race: African American, n (%) | 9 (50) | 40 (66.67) | 0.315 |
| Current smoker: Yes, n (%) | 4 (22.22) | 6 (10) | 0.227a |
| Hospitalization, n (%) | 2 (11.11) | 57 (95) | <.001a |
| Ventilator, n (%) | 0 (0) | 7 (11.67) | 0.192a |
| Death due to COVID, n (%) | 0 (0) | 3 (5) | 1a |
| Chronic pulmonary disease: Yes, n (%)c | 5 (35.71) | 16 (30.77) | 0.724 |
| Congestive heart failure: Yes, n (%)c | 0 (0) | 14 (26.92) | 0.03a |
| Diabetes: Yes, n (%)c | 3 (21.43) | 30 (57.69) | 0.033a |
| Obesity: Yes, n (%)c | 1 (7.14) | 15 (28.85) | 0.159a |
| Hypertension: Yes, n (%)c | 5 (35.71) | 31 (59.62) | 0.111 |
Significance was evaluated on the basis of the Mann-Whitney U test and the chi-squared test or Fisher’s exact test.
a
P value calculated using Fisher’s exact test.
b
One missing value.
c
Four missing values in SARS-CoV-2-negative group and eight missing values in SARS-CoV-2-positive group