Table 4—

Comparison of changes in the lowest arterial oxygen saturation measured by pulse oximetry

GroupSubjects nAdjusted mean±seMean±se difference from placebo group %p-value#
High-dose99-1.70±0.35-0.17±0.500.7393
Low-dose53-0.84±0.480.69±0.590.2485
Placebo100-1.53±0.35
  • #: comparison with placebo of adjusted means based on the ANCOVA.