The difference between 2 groups was statistically significant with p < 0.001 Table 3.28: Arterial Oxygen saturation in 2 groups Group Time SaO2 (%) X ± SD (min - max) P JV n = 41 AIV n = 44 T1 97, 8 ± 1, 9 (94 - 100) 98, 6 ± 1, 9 (91, 0 - 100) > 0, 05 T2 99, 9 ± 0, 4 (97, 8 - 100) 99, 9 ± 0, 3 (98, 7 - 100) 0, 05 T3 99, 4 ± 1, 5 (93 - 100) 98, 0 ± 3, 3 (83 - 100) < 0, 05 T3' 99, 3 ± 1, 6 (93 - 100) 94, 1 ± 6, 4 (69, 2 - 100) * < 0, 05 T4 99, 8 ± 0, 4 (99 - 100) 99, 6 ± 0, 6 (97, 5 - 100) < 0, 05 T5 98, 9 ± 1, 4 (93 - 100) 98, 5 ± 2, 4 (90 - 100) 0, 05 T6 97, 8 ± 1, 7 (94 - 100) 97, 3 ± 2, 1 (90 - 100) 0, 05 T7 97 ± 1, 8 (93 - 100) 97, 1 ± 2, 2 (88 - 100) 0, 05 T8 96, 8 ± 1, 8 (92 - 100) 96, 1 ± 5, 3 (67 - 100) 0, 05 * p<0.05 compared to T2 - At T3 and T3', in the JV group the average of SaO2 was higher than in AIV group with p < 0.05.