Extended prone positioning duration for COVID-19-related ARDS: benefits and detriments

Table 1 Baseline characteristics of the analysed patients (n = 81) and the excluded patients (n = 40)

Baseline characteristics	Analysed patients (n = 81)	Excluded patients (n = 40)	p* for diff
Age, years	60 [51–67]	60 [52–67]	0.97
BMI, kg/m² (missing = 3)	31 [27–36]	30 [28–34]	0.50
SAPS II score	38 [30–46]	38 [28–50]	0.98
Sex, male	58 (72)	24 (60)	0.22
Active smoker	13 (16)	1 (2)	0.03
Type 2 diabetes	22 (27)	11 (28)	0.88
History of cardiovascular disease**	8 (10)	1 (2)	0.27
History of respiratory disease***	8 (10)	4 (10)	1
Chronic kidney disease	5 (6)	4 (10)	0.48
Cirrhosis	5 (6)	0 (0)	0.17

Data are presented as No. (%) or median [interquartile range]
BMI, Body Mass Index; SAPS II, simplified acute physiology score
*Fisher exact test or Wilcoxon test; **chronic heart failure, ischemic heart disease or peripheral arterial disease; ***chronic obstructive pulmonary disease or Asthma.
Bold formatting of p value indicates a statistically significant value

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