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Table 4 Characteristics of deaths with and without ventilation when respiratory system is the primary association with death

From: Associated organs and system with COVID-19 death with information of organ support: a multicenter observational study

Respiratory dysfunction (n = 237)

Mechanical ventilation (n = 120)

No mechanical ventilation (n = 117)

P value

Age, years

76 [69–81]

81 [75–88]

< 0.001

Sex, Male

91 (75.8)

79 (67.5)

0.20

Body Mass Index

24.1 [22.0–26.8]

21.5 [19.3–24.3]

< 0.001

Intensive care unit admission

110 (91.7)

22 (18.8)

< 0.001

Survival time (from disease onset to death), days

27 [19–37]

17 [12–24]

< 0.001

  1. Continuous variables were expressed as median [interquartile range]. Categorical variables were n/N (%), where N is the total number of patients with COVID-19 in the relevant data minus missing values. Continuous variables were compared using the Mann–Whitney U test. Categorical variables were shown as percentages in different categories and were compared using the Chi-square test