Table 1.

Descriptive characteristics of ICU patients with invasive mechanical ventilation and pronation therapy in both groups.

		Case (N = 57)	Control (N = 17)
Gender	Male	41 (72%)	13 (76%)
	Female	16 (28%)	4 (24%)
Age (years)*		61 [56–69]	64 [54–71]
BMI (Kg/m2)*		29.4 [26–33]	28.1 [27–31]
Length of ICU stay (days)*		44 [35–54]	37 [26–52]
Braden scale21 (Very high-risk)		57 (100%)	17 (100%)
Exitus		21 (37%)	5 (29%)

^⁎Results expressed in medians and interquartile ranges.