Type of mask | p-value | Mean difference [CI 95%] | |||
---|---|---|---|---|---|
SMG (n = 108) | CMG (n = 108) | ||||
Mean blood pressure (Systolic) (Hgmm) | Before | 121.66 ± 13.52 | 121.10 ± 14.25 | 0.77 | 0.6 [-3.1, 4.2] |
After | 128.55 ± 15.12 | 127.07 ± 15.41 | 0.48 | 1.4 [-2.6, 5.6] | |
Mean blood pressure (Diastolic) (Hgmm) | Before | 74.20 ± 12.78 | 73.86 ± 9.20 | 0.82 | 0.3 [-2.6, 3.3] |
After | 72.05 ± 9.55 | 72.65 ± 8.78 | 0.63 | -0.6 [-3.1, 1.9] | |
Mean heart rate/pulse (/min) | Before | 90.26 ± 19.05 | 90.12 ± 19.17 | 0.96 | 0.1 [-4.9, 5.2] |
After | 106.35 ± 21.87 | 106.61 ± 23.94 | 0.93 | -0.2 [-6.4, 5.9] | |
Mean oxygen-saturation (%) | Before | 97.88 ± 1.60 | 97.82 ± 1.50 | 0.79 | 0.1 [-0.4, 0.5] |
After | 97.16 ± 1.91 | 97.16 ± 1.92 | 0.99 | 0 [-0.5, 0.5] | |
Mean respiratory-rate (/min) | Before | 15.39 ± 2.51 | 15.19 ± 2.67 | 0.58 | 0.2 [-0.5, 0.9] |
After | 21.08 ± 3.53 | 21.01 ± 3.83 | 0.88 | 0.1 [-0.9, 1.1] | |
Mean Borg-scale (1–10) | Before | 4.45 ± 1.76 | 4.26 ± 1.69 | 0.19 | 0.3 [-0.2, 0.7] |
After | 5.72 ± 1.69* | 5.56 ± 1.67* | 0.49 | 0.2 [-0.3, 0.6] |