Coefficient of determination (r2) were assessed using linear regression analysis between paired values of oxygen reserve index (ORi) and arterial partial pressure of oxygen (PaO2) in groups P1 (A), P2 (B), P3 (C), and P4 (D).
posted on 2025-03-31, 17:22authored byFrancesca Zanusso, Luca Bellini
Groups P1, P2, P3, and P4 included measurements matching PI values between 0.23 and 0.79, 0.80 and 1.30, 1.40 and 1.90, and 2.00 and 3.40, respectively. F-stat: F-statistic.