Table 2.
Distribution of study sample according to patient characteristics, surgical treatments and complications by obstructive sleep apnea (327.23) diagnosis–Nationwide Inpatient Sample, 2002–2012a.
| Total (n = 33679) Mean ± SEM or % |
ICD-9-CM: 327.23 (n = 18704) Mean ± SEM or % |
No ICD-9-CM: 327.23 (n = 14975) Mean ± SEM or % |
P value | |
|---|---|---|---|---|
| Age (yr) | ||||
| Mean ± SEM | 50.4 ± 0.08 | 51.4 ± 0.1 | 49.3 ± 0.1 | <0.0001 |
| 18–29 | 8.1 | 7.5 | 8.9 | <0.0001 |
| 30–39 | 16.2 | 14.8 | 17.9 | |
| 40–49 | 24.2 | 23.1 | 25.5 | |
| 50–59 | 23.9 | 24.4 | 23.4 | |
| 60–69 | 16.9 | 18.6 | 14.8 | |
| 70+ | 10.7 | 11.7 | 9.6 | |
| Sex | <0.0001 | |||
| Male | 67.2 | 65.9 | 68.7 | |
| Female | 32.7 | 33.9 | 31.2 | |
| Unknown | 0.2 | 0.1 | 0.2 | |
| Race/ethnicity | <0.0001 | |||
| White | 56.4 | 56.9 | 55.8 | |
| Black | 11.6 | 13.3 | 9.4 | |
| Hispanic | 7.7 | 8.2 | 7.1 | |
| Asian/Pacific Islander | 1.9 | 1.8 | 1.9 | |
| Other/Unknown | 22.4 | 19.7 | 25.8 | |
| Obesity Diagnosis | <0.0001 | |||
| Yes | 11.0 | 12.6 | 8.9 | |
| No | 88.9 | 87.4 | 91.0 | |
| Surgical Procedures | ||||
| Nasal surgery: | 23.9 | 21.5 | 27.0 | <0.0001 |
| Septoplasty | 23.5 | 21.0 | 26.5 | <0.0001 |
| Rhinoplasty | 0.8 | 0.9 | 0.7 | 0.1 |
| Palatal procedure: | 44.0 | 39.0 | 50.4 | <0.0001 |
| Palatal surgery | 39.6 | 34.6 | 46.0 | <0.0001 |
| Tonsillectomy | 30.8 | 27.7 | 34.7 | <0.0001 |
| Adenoidectomy | 0.4 | 0.5 | 0.4 | 0.3 |
| Palatal implant/Pillar | 0.1 | 0.2 | 0.04 | 0.0007 |
| Tongue base/Hypopharynx: | 10.9 | 15.4 | 14.3 | 0.01 |
| Tongue radiofrequency/Midline glossectomy | 10.9 | 11.2 | 10.5 | 0.03 |
| Genioglossus advancement, genioplasty or tongue stabilization | 3.2 | 3.1 | 3.3 | 0.4 |
| Lingual tonsillectomy | 0.5 | 0.6 | 0.3 | <0.0001 |
| Hyoid suspension | 2.08 | 2.4 | 1.6 | <0.0001 |
| Maxillomandibular advancement: | 3.9 | 4.0 | 3.8 | 0.3 |
| Tracheostomy: | 40.9 | 45.8 | 34.7 | <0.0001 |
| Supraglottoplasty: | 0.5 | 0.4 | 0.6 | 0.1 |
| Transoral robotic assist: | 3.7 | 4.3 | 3.0 | <0.0001 |
| Surgical Complications | ||||
| Wound healing | 1.0 | 0.8 | 1.2 | 0.003 |
| Infectious | 23.9 | 29.9 | 16.4 | <0.0001 |
| Cardiovascular | 5.7 | 7.3 | 3.7 | <0.0001 |
| Respiratory | 29.3 | 34.9 | 22.4 | <0.0001 |
| Gastrointestinal | 5.5 | 7.2 | 3.5 | <0.0001 |
| Urinary | 11.9 | 17.2 | 5.2 | <0.0001 |
| Other | 10.9 | 12.3 | 9.4 | <0.0001 |
| Any | 41.8 | 48.6 | 33.3 | <0.0001 |
| In-hospital mortality rate | 3.9 | 4.6 | 2.9 | <0.0001 |
SEM = standard error of the mean.
Numbers within cells represent mean ± standard error, percentages, or P values; P values are outcomes of design-based F-tests and Chi-square tests, as appropriate.