Table 2. Results of simplified night polygraphy in particular groups of patients (abbreviations explanations in the “Materials and methods” section).
| OSA- (n = 31) | OSA+ (n = 38) | OSA++ (n = 43) | p | |
|---|---|---|---|---|
| AHI (h-1) | 2±1.7 | 15.7±7.2 | 54.1±17.7 | <0.05 |
| AI (h-1) | 0.5±0.7 | 9.2±6.2 | 41.5±20.1 | <0.05 |
| HI (h-1) | 1.5±1.4 | 6.7±3.5 | 12±9.7 | <0.05 |
| RDT (min) | 6.3±9.6 | 40.2±28.5 | 136.4±61.2 | <0.05 |
| RDTI (min/h) | 1.5±4.1 | 6.2±4.82 | 23.8±9.3 | <0.05 |
| Mean SpO2 (%) | 92.6±1.8 | 92.2±1.9 | 88.9±3.9 | <0.05 |
| Minimal SpO2 (%) | 85.7±4.3 | 79.1±7.2 | 65.3±14.5 | <0.05 |
| t90 (%) | 3.7±10.2 | 6.5±13.3 | 29±22.5 | <0.05 |
| ODI (h-1) | 5.3±6.1 | 20.2±14.5 | 59.5±20.7 | <0.05 |
| ODT (min) | 12.6±11.9 | 37.1±22.5 | 128.8±4.3 | <0.05 |
| ODTI (min/h) | 1.8±1.7 | 6.4±3.7 | 25.5±7.1 | <0.05 |
| HR (min-1) | 63±6.4 | 62.5±9.8 | 62.3±9.3 | NS |
NS–non significant