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

BMC Infectious Diseases

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

	Total (n = 156)	Survivor (n = 100)	Non-survivor (n = 56)	P value^a
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

Notes: Data presented as median (IQR)
Abbreviations: COVID-19 Coronavirus Disease 2019, PaO₂ Partial pressure of oxygen, PaO₂ Partial pressure of carbon dioxide, BE Base excess
^aP values indicate differences between survivors and non-survivors. P < 0.05 was considered statistically significant

ISSN: 1471-2334