Table 2.
Changes of CSA before and after PNS treatment
| Pre-PNS | Post-PNS | P-value | |
|---|---|---|---|
| Overall population (n = 9) | |||
| Total sleep time (min) | 273 ± 85 | 298 ± 64 | 0.45a |
| AI (e/h) | 36 ± 20 | 28 ± 26 | 0.21b |
| AHI (e/h) | 41 ± 18 | 29 ± 25 | 0.02b |
| HI (e/h) | 5 ± 5 | 6 ± 4 | 0.52a |
| ODI (e/h) | 36 ± 20 | 34 ± 25 | 0.64a |
| Mean SaO2 (%) | 93 ± 1 | 95 ± 2 | 0.03a |
| Min SaO2 (%) | 85 ± 6 | 86 ± 9 | 0.55a |
| PLMI (e/h) | 11 ± 10 | 21 ± 17 | 0.05a |
| T90 (min) | 12 ± 13 | 8 ± 13 | 0.50b |
| REM (%) | 15 ± 6 | 15 ± 5 | 0.98a |
| HR awake (bpm) | 75 ± 23 | 69 ± 10 | 0.48a |
| HR sleep (bpm) | 64 ± 12 | 66 ± 11 | 0.08a |
Bold data represent P < 0.05
Pa represents the paired t test; Pb represents Wilcoxon test
AI apnea index, AHI apnea–hypopnea index, HI hypopnea index, HR heart rate, ODI oxygen desaturation index, PLMI periodic limb movement index, REM rapid eye movement, T90 time spent with oxygen saturation < 90%