Table 2.
Sleep disordered-breathing differences according to age.
| Pediatric N=55 (mean ± SD; median) |
Adult N=20 (mean ± SD; median) |
P | Spearmann’s correlation coefficient |
Spearmann’s P-value |
|
|---|---|---|---|---|---|
| Obstructive sleep apnea | 25/55 (45.5%) | 10/20 (50%) | 0.52* | — | — |
| Mild | 16/25 (64%) | 5/10 (50%) | |||
| Moderate | 5/25 (20%) | 4/10 (40%) | — | — | — |
| Severe | 4/25 (16%) | 1/10 (10%) | — | — | — |
| Central sleep apnea | 34/55 (61.8%) | 9/20 (45%) | 0.017* | — | — |
| Mild | 22/34 (64.7%) | 8/9 (88.9%) | — | — | — |
| Moderate | 4/34 (11.8%) | 1/9 (11.1%) | — | — | — |
| Severe | 8/34 (23.5%) | 0/9 (0%) | — | — | — |
| Mixed apneas | 3/55 (5.5%) | 3/20 (15%) | 0.90† | — | — |
| Mild | 1/3 (33.3%) | 3/3 (100%) | — | — | — |
| Moderate | 0/3 (0%) | 0/3 (0%) | — | — | — |
| Severe | 2/3 (66.7%) | 0/3 (0%) | — | — | — |
| Apnea-hypopnea index (events/h) | 11.2 ± 11.1,8.6 | 15.5 ± 18.4, 5.5 | 0.21‡ | −0.10 | 0.39§ |
| Obstructive apnea (events/h) | 3.5 ± 6.4, 1 | 8.5 ± 13.5, 1 | 0.04‡ | 0.11 | 0.39§ |
| Central apnea (events/h) | 10.8 ± 27.9, 2 | 2.8 ± 6.2, 1 | 0.04‡ | −0.39 | 0.002§ |
| Mixed apnea (events/h) | 0.8 ± 3.2, 0 | 1.1 ± 2.4, 0 | 0.76‡ | 0.10 | 0.5§ |
| Hypopnea (events/h) | 57.9 ± 55.8, 47 | 62.7 ± 79.6, 28 | 0.77‡ | −0.17 | 0.16§ |
| Nadir SpO2 (%) | 78.2 ± 12.1, 81 | 76.9 ± 15.7, 82 | 0.69‡ | 0.02 | 0.84§ |
| Average SpO2 (%) | 94.7 ± 4.3, 96 | 93.1 ± 3.4, 93 | 0.17‡ | −0.3 | 0.008§ |
| Average EtCO2 awake (mmHg) | 39.8 ± 3.6, 40 | 42.5 ± 2.8, 43 | 0.004‡ | 0.47 | <0.0001§ |
| Average EtCO2 NREM (mmHg) | 43.2 ± 3.9, 44 | 46.2 ± 3.0, 46.5 | 0.003‡ | 0.5 | <0.0001§ |
| Average EtCO2 REM (mmHg) | 46.7 ± 4.3, 47 | 49.5 ± 3.2, 50.5 | 0.009‡ | 0.52 | <0.0001§ |
| Maximum EtCO2 (mmHg) | 52.6 ± 5.5, 52 | 57 ± 5.8, 57.5 | 0.003‡ | 0.47 | <0.0001§ |
EtCO2, end-tidal capnography.
*
Chi-square test p-value.
†
Fisher’s exact test p-value.
‡
Two-sample t-test p-value.
§
Spearman’s rank order correlation test p-value.