Table 3.

Physiological variables, recorded at the time of blood sampling

	Dexmedetomidine (n = 51)	Usual care (n = 52)	p
Heart rate (bpm)	84.73 [80.71–88.75]	89.38 [85.38–93.38]	0.11
MAP (mmHg)	80.67 [78.34–83.0]	78.49 [76.16–80.82]	0.20
Minute volume (L/min)	8.90 [8.29–9.51]	9.24 [8.65–9.83]	0.43
Respiratory rate (breaths/min)	18.31 [17.23–19.39]	18.61 [17.55–19.67]	0.70
Temperature (°C)	37.31 [37.11–37.51]	37.17 [36.97–37.37]	0.50

Data given as mean [95% confidence interval]

MAP mean arterial pressure