TABLE 2.
Laboratory Data by Group at Bronchoalveolar Lavage Evaluation
| Laboratory Characteristic | COVID‐19 | Controls | ||||
|---|---|---|---|---|---|---|
| No. | Median | Quartiles I‐III | No. | Median | Quartiles I‐III | |
| Pao 2 | 17 | 80 | 71.10‐99.90 | 19 | 88.60 | 64.90‐101.45 |
| Paco 2 | 17 | 49 | 37.80‐54.00 | 19 | 38.00 | 36.00‐47.30 |
| P/F | 14 | 175 | 129.75‐299.50 | 19 | 234.00 | 147.00‐304.50 |
| WBCs, 103/µL | 20 | 10.4 | 7.02‐15.23 | 20 | 8.48 | 4.53‐10.67 |
| Lymphocytes, % | 18 | 14.1 | 11.93‐21.00 | 20 | 12.45 | 8.12‐18.72 |
| Platelets, 103/µL | 20 | 195 | 148.00‐327.50 | 20 | 200.00 | 152.50‐295.75 |
| Lactate dehydrogenase, U/L | 16 | 324 | 266.75‐444.75 | 12 | 286.50 | 238.00‐328.75 |
| D‐dimer, ng/mL | 15 | 950 | 350.00‐1838.00 | 13 | 1182.00 | 626.00‐1811.00 |
Abbreviations: COVID‐19, coronavirus disease 2019; Paco 2, arterial carbon dioxide pressure; Pao 2, arterial oxygen pressure; P/F, ratio of arterial oxygen pressure to fraction of inspired oxygen; WBC, white blood cell.
Normal laboratory ranges were as follows: WBCs, 4.00 to 11.00 103/µL; lymphocytes, 16.0% to 46.0%; platelets, 140.00 to 440.00 103/µL; lactate dehydrogenase, 135 to 225 U/L; and D‐dimer, 0 to 25 ng/mL.