Negative ultrasound (n=60) | Positive ultrasound (n=42) | P value | |
Age, mean (SD) | 41.0 (13.1) | 47.4 (15.5) | 0.038 |
Sex, n (%) | 0.022 | ||
Female | 25 (42) | 28 (67) | |
Male | 35 (58) | 14 (33) | |
Race/ethnicity, n (%) | 0.163 | ||
Caucasian | 19 (32) | 20 (48) | |
African-American | 2 (3) | 2 (5) | |
Asian/Pacific Islander | 10 (17) | 6 (14) | |
Hispanic | 27 (45) | 10 (24) | |
Other | 2 (3) | 4 (10) | |
Current or prior smoker, n (%) | 19 (32) | 8 (19) | 0.233 |
BMI, mean (SD) | 27.8 (5.3) | 25.2 (5.0) | 0.009 |
Baseline symptom, n (%) | |||
Fever | 17 (28) | 19 (45) | 0.122 |
Cough | 42 (70) | 29 (69) | 1.000 |
Shortness of breath | 26 (43) | 19 (45) | 1.000 |
Values in bold are statistically significant at p-value of p ≤ 0.05.
BMI, body mass index.