Research Article

Assessment of Systemic and Cerebral Oxygen Saturation during Diagnostic Bronchoscopy: A Prospective, Randomized Study

Table 2

Absolute values of systemic O2 saturation at baseline (0 sec syst. O2%) and during bronchoscopy (syst. O2mean %) and Hurst exponent values in males and females.

Study groupPairwise comparisonsANOVA F statistic
O2 (−)2 l4 lO2 (−) vs. 2 l/minO2 (−) vs. 4 l/min2 l/min vs. 4 l/min
Males

0 sec syst. O2 %95.2097.7998.25−2.59−3.05−0.469.52
Syst. O2mean %93.9396.9297.05−2.99−3.12−0.135.22
Hurst exp. syst. O20.480.590.75−0.11−0.27−0.169.01

Females
0 sec syst. O2 %95.6998.3398.30−2.65−2.610.036.09
Syst. O2mean %94.6398.3697.24−3.73−2.611.125.68
Hurst exp. syst. O20.420.490.70−0.06−0.27−0.217.10

O2 (−) indicates no supplemental oxygen; 2 l and 4 l indicate 2 and 4 l/min supplemental oxygen. ,, and .