Table 2.

Hemodynamic and respiratory tolerance of SBPP in the 40 patients after the first proning session (SBPP). BP: blood pressure.

	Before SBPP initiation	End of first SBPP session	P value
Lactate (mmol/L)	1.30 [1.00–1.48]	1.10 [0.90–1.48]	0.39
Heart rate (bpm)	90 [80–99]	91 [83–97]	0.93
Systolic BP (mm Hg)	114 [103−130]	116 [107–129]	0.79
Diastolic BP (mm Hg)	74 [63–82]	72 [63–81]	0.52
Mean BP (mm Hg)	87 [78–97]	88 [81–94]	0.89
Respiratory rate (breaths/min)	31 [25–36]	29 [24–31]	0.15