Table 3.
Blood gas analysis of patients with coronavirus disease 2019 who died and recovered patients. Values are numbers (percentages) unless stated otherwise
| Blood gas characteristics (normal range) | Total (n=67) | Deaths (n=35) | Recovered patients (n=32) |
|---|---|---|---|
| Median (IQR) pH (7.35-7.45) | 7.41 (7.39-7.46) | 7.43 (7.40-7.46) | 7.40 (7.39-7.42) |
| <7.35 | 8 (12) | 5 (14) | 3 (9) |
| 7.35-7.45 | 40 (60) | 16 (46) | 24 (75) |
| ≥7.45 | 19 (28) | 14 (40) | 5 (16) |
| Median (IQR) arterial partial pressure of oxygen, mm Hg (80-100) | 82.1 (59.0-128.5) | 59.2 (45.4-78.6) | 121.0 (90.6-163.3) |
| <60 mm Hg | 18/67 (27) | 18/35 (51) | 0/32 (0) |
| Median (IQR) partial pressure of oxygen:fraction of inspired oxygen (400-500) | 193.6 (103.2-341.6) | 105.1 (76.9-169.4) | 350.0 (222.0-417.0) |
| ≤100 | 16/67 (24) | 16/35 (46) | 0/32 (0) |
| 100-300 | 33/67 (49) | 19/35 (54) | 14/32 (44) |
| >300 | 18/67 (27) | 0/35 (0) | 18/32 (56) |
| Median (IQR) partial pressure of carbon dioxide, mm Hg (35-45) | 35.6 (30.2-39.8) | 30.9 (28.9-36.0) | 37.5 (35.0-41.3) |
| <35 mm Hg | 32/67 (48) | 24/35 (69) | 8/32 (25) |
| >50 mm Hg | 3/67 (4) | 2/35 (6) | 1/32 (3) |
| Median (IQR) actual bicarbonate, mmol/L (21.0-28.0) | 22.2 (19.5-24.7) | 20.5 (18.2-24.2) | 22.9 (21.8-25.2) |
| Median (IQR) standard bicarbonate, mmol/L (21.0-25.0) | 23.2 (21.1-25.0) | 22.6 (19.8-24.5) | 23.9 (22.4-25.0) |
| Median (IQR) base excess of blood, mmol/L (−3.0-3.0) | −1.2 (−3.6-0.7) | −2.1 (−4.8-0.8) | −0.6 (−2.4-0.6) |
| Median (IQR) base excess of extracellular fluid, mmol/L (−3.0-3.0) | −1.5 (−4.2-0.9) | −2.8 (−5.7-0.9) | −1.3 (−2.4-0.8) |
| Median (IQR) total carbon dioxide, mmol/L (24.0-32.0) | 20.3 (18.0-22.8) | 18.2 (16.3-21.4) | 21.4 (20.0-23.9) |
IQR=interquartile range.