Table 1.
Baseline characteristics and outcomes
| Variables | SARS‐CoV‐2 infection and Mycoplasma pneumoniae IgM positive (n = 79) | SARS‐CoV‐2 infection but M. pneumoniae IgM negative (n = 60) | P Value |
|---|---|---|---|
| Characteristics | |||
| Age in years, mean (SD) | 62.3 (16.3) | 62.2 (15.6) | .95 |
| Male sex, n (%) | 55 (69.6) | 30 (50.0) | .02 |
| Smoking, n (%) | 14 (17.7) | 12 (20.0) | .73 |
| Hypertension, n (%) | 35 (44.3) | 35 (58.3) | .10 |
| Coronary artery disease, n (%) | 3 (3.8) | 5 (8.3) | .26 |
| Obesity (BMI > 30), n (%) | 19 (24.1) | 29 (48.3) | <.01 |
| Diabetes, n (%) | 23 (29.1) | 31 (51.7) | .01 |
| Chronic respiratory disease, n (%) | 10 (12.7) | 9 (15.0) | .69 |
| Chronic kidney disease, n (%) | 11 (13.9) | 7 (11.7) | .69 |
| Fever > 38°C, n (%) | 51 (64.6) | 45 (75.0) | .19 |
| Course | |||
| Invasive mechanical ventilation, n (%) | 26 (32.9) | 15 (25.0) | .31 |
| Intensive care admission, n (%) | 29 (36.7) | 18 (30.0) | .41 |
| Outcomes | |||
| Renal replacement therapy, n (%) | 9 (11.4) | 3 (5.0) | .18 |
| Death, n (%)a | 38/79 (48.1) | 17/60 (28.3) | .02 |
Abbreviations: BMI, body mass index; IgM, immunoglobulin M; SD, standard deviation.
a
One patient in mycoplasma IgM negative group was still in hospital at the time of chart review.