Table 4. Changes in Physiologic Parameters Induced by Hypoxia with or without Intrathecal DXM

Values are mean ± SD.

*P < 0.05 compared with corresponding normoxia.

†P < 0.05 compared with baseline.

DXM = dexmedetomidine; Sa^O2= arterial O²saturation; tHb = total hemoglobin.