Table 2.
Sleep characteristics of percutaneous coronary intervention patients
| Characteristics | Non-OSA (n = 128) | OSA (n = 114) | Z | P |
|---|---|---|---|---|
| AHI | 8.1 (3.9, 11.6) | 34.5 (23.2, 47.7) | −13.422 | <0.001 |
| Index time (min) | 409.2 (398.7, 414.2) | 408.8 (388.1, 414.3) | −0.672 | 0.501 |
| SpO2 (%) | 93.9 (93.0, 94.8) | 93.2 (92.1, 94.2) | −3.264 | 0.001 |
| OD (events/h) | 3.2 (1.0, 6.1) | 19.0 (9.7, 35.2) | −10.549 | <0.001 |
| Snore time (min) | 2.4 (0.5, 11.7) | 5.3 (0.8, 18.1) | −0.905 | 0.365 |
| Snore episodes, n | 27.0 (8.0, 109.0) | 69.0 (11.0, 167.0) | −1.818 | 0.069 |
| Total percentage of time SpO2 <90% | 2.7 (0.4, 17.3) | 16.5 (7.2, 50.7) | −5.825 | <0.001 |
| Lowest SpO2 (%) | 87.0 (82.0, 89.0) | 82.0 (79.0, 85.0) | −5.720 | <0.001 |
| Snoring time (min) | 8.5 (1.5, 52.4) | 21.6 (2.8, 65.1) | −0.965 | 0.335 |
| Number of snoring | 26.0 (0.7, 109.0) | 69.0 (11.0, 167.0) | −1.901 | 0.057 |
| Longest snoring (min) | 1.2 (0.5, 3.9) | 1.7 (0.7, 4.7) | −1.227 | 0.220 |
Data are shown as median (Q1, Q3). AHI: Apnea-hypopnea index; OD: Obstructive desaturation; SpO2: Arterial oxygen saturation; OSA: Obstructive sleep apnea.