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Table 3 Blood gas analysis of patients infected with COVID-19

From: Identification of risk factors for in-hospital death of COVID - 19 pneumonia -- lessions from the early outbreak

  Total
(n = 156)
Survivor
(n = 100)
Non-survivor
(n = 56)
P valuea
Ph 7.44 (7.39–7.47) 7.43 (7.40–7.46) 7.45 (7.39–7.48) 0.970
PaO2, mm Hg 91.0 (64.3–119.0) 95.0 (79.0–129.0) 72.0 (50.0–116.0) 0.049
PaO2/FiO2, mm Hg 195.0 (90.0–262.5) 225.0 (152.5–287.5) 117.5 (78.3–192.9) < 0.001
PaCO2, mm Hg 38.0 (34.0–42.0) 40.0 (35.0–45.0) 36.0 (33.0–40.0) 0.113
BE, mmol/L 1.9 (−0.7–4.1) 2.1 (− 0.1–3.9) 1.2 (−1.8–4.6) 0.300
K+, mmol/L 3.8 (3.4–4.1) 3.8 (3.5–4.2) 3.8 (3.3–4.1) 0.768
Na+, mmol/L 140.0 (136.0–143.8) 141.0 (138.0–144.0) 137.0 (133.0–142.0) 0.641
Ca2+, mmol/L 0.9 (0.7–1.0) 0.9 (0.7–1.1) 0.9 (0.7–1.0) 0.482
Lactate, mmol/L 1.7 (1.2–2.3) 1.5 (1.1–2.1) 2.0 (1.5–2.9) 0.005
Hematocrit, % 37.0 (32.0–41.0) 38.0 (32.5–42.0) 36.0 (30.0–40.0) 0.627
Glucose, mmol/L 6.7 (5.4–8.7) 5.9 (4.9–7.9) 7.4 (6.2–11.1) 0.034
  1. Notes: Data presented as median (IQR)
  2. Abbreviations: COVID-19 Coronavirus Disease 2019, PaO2 Partial pressure of oxygen, PaO2 Partial pressure of carbon dioxide, BE Base excess
  3. aP values indicate differences between survivors and non-survivors. P < 0.05 was considered statistically significant