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Table 1. Ventilatory, Heart Rate, and Bispectral Index Responses to Sustained Hypoxia before and during Propofol Administration

Values are mean ± SD.

N = the last normoxic minute before the 15-min hypoxic period; H1= the third minute of initial hypoxia; H2= the 15th minute of initial hypoxia; H3= the third minute of the second hypoxic episode; V̇i= minute ventilation; VT= tidal volume;f = respiratory frequency; BIS = bispectral index; PETCO2= end-tidal carbon dioxide partial pressure; PETO2= end-tidal oxygen partial pressure; SpO2= oxygen saturation as measured by pulse oximetry.

*P < 0.05 vs.  period N.

P < 0.05 vs.  periods N and H1.

P < 0.05 vs.  period H1.

Table 1. Ventilatory, Heart Rate, and Bispectral Index Responses to Sustained Hypoxia before and during Propofol Administration
Table 1. Ventilatory, Heart Rate, and Bispectral Index Responses to Sustained Hypoxia before and during Propofol Administration
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