Document Classification

Section Type: RESULTS

Text: However, the deterioration of the retrosternal microcirculation was significantly less in group 1 at the middle and lower sternum ; values of oxygen saturation to the baseline were 86 % + / - 3. 8 % versus 60 % + / - 4. 3 % (P =. 001) at 2-mm depth and 82 % + / - 4. 2 % versus 61 % + / - 6. 1 % (P =. 009) at 8-mm depth at the middle sternum and 95 % + / - 3. 2 % versus 78 % + / - 1. 3 % (P =. 001) at 2-mm depth and 94 % + / - 2. 2 % versus 78 % + / - 4. 6 % (P =. 004) at 8-mm depth at the lower sternum in groups 1 and 2, respectively.