Table 1.
Variable | Normal range | Time of measurement | Mean | Standard deviation | Min | Max | p value |
---|---|---|---|---|---|---|---|
AHI | <5 | Pre-operatively | 21.6 | 5.0 | 15.8 | 28.4 | *0.005 |
Post-operatively | 4.4 | 2.5 | 2.7 | 11.2 | |||
RDI | <5 | Pre-operatively | 25.9 | 4.8 | 18.2 | 30.4 | *0.005 |
Post-operatively | 6.0 | 3.2 | 3.2 | 14.8 | |||
ODI | <5 | Pre-operatively | 24.4 | 3.3 | 18.7 | 27.5 | *0.005 |
Post-operatively | 4.3 | 2.9 | 1.8 | 11.6 | |||
SpO2 (%) | >90 | Pre-operatively | 92.6 | 1.35 | 91 | 95 | *0.005 |
Post-operatively | 96.3 | 0.67 | 95 | 97 | |||
Mean RR | 12-20 | Pre-operatively | 17.3 | 3.2 | 12.99 | 22.70 | **0.001 |
Post-operatively | 13.1 | 1.2 | 11.2 | 15.0 | |||
Mean PR | 60-100 | Pre-operatively | 97.1 | 4.0 | 90 | 103 | *0.005 |
Post-operatively | 78.4 | 4.6 | 67 | 83 |
*: Wilcoxon test , **: Paired t-test. AHI: Apnea/Hypopnea Index, RDI: Respiratory disturbance index, ODI: Oxygen desaturation Index, PR: Pulse rate, RR: Respiratory rate. SpO2: The peripheral capillary oxygen saturation