Table 4.
Demographic and clinical characteristics of the study population (n = 65,881)
| Before matching | After matching | |||||
|---|---|---|---|---|---|---|
| Continuous positive airway pressure (n = 59,787) | Upper airway surgery (n = 9224) | P-Value | Continuous positive airway pressure (n = 6651) | Upper airway surgery (n = 6651) | P-Value | |
| Age | 61.0 ± 12.7 | 42.9 ± 13.6 | < 0.001 | 46.3 ± 13.2 | 46.4 ± 12.4 | 0.5 |
| Sex | ||||||
| Male | 33,253 (55.8%) | 4814 (57.8%) | 0.001 | 3901 (58.7%) | 3849 (57.9%) | 0.4 |
| Female | 26,285 (44.1%) | 3508 (42.1%) | 0.001 | 2750 (41.3%) | 2801 (42.1%) | 0.4 |
| Unknown | 31 (0.1%) | 10 (0.1%) | 0.02 | 0 | 10 (0.2%) | 0.002 |
| Race | ||||||
| White | 41,427 (69.5%) | 5247 (63.0%) | < 0.001 | 4247 (63.9%) | 4246 (63.8%) | 1.0 |
| Black or African American | 8322 (14.0%) | 1362 (16.4%) | < 0.001 | 1014 (15.2%) | 1034 (15.5%) | 0.6 |
| Asian | 353 (0.6%) | 141 (1.7%) | < 0.001 | 89 (1.3%) | 96 (1.4%) | 0.6 |
| American Indian or Alaska Native | 244 (0.4%) | 35 (0.4%) | 1.0 | 33 (0.5%) | 32 (0.5%) | 0.9 |
| Native Hawaiian or Other Pacific Islander | 52 (0.1%) | 12 (0.1%) | 0.1 | 10 (0.2%) | 10 (0.2%) | 1 |
| Unknown | 9171 (15.4%) | 1526 (18.3%) | < 0.001 | 1261 (19.0%) | 1233 (18.5%) | 0.5 |
| Ethnicity | ||||||
| Not Hispanic or Latino | 46,411 (77.9%) | 5490 (66.0%) | < 0.001 | 4560 (68.6%) | 4577 (68.8%) | 0.8 |
| Hispanic or Latino | 2399 (4.0%) | 773 (9.3%) | < 0.001 | 507 (7.6%) | 519 (7.8%) | 0.7 |
| Unknown | 10,759 (18.1%) | 2060 (24.8%) | < 0.001 | 1584 (23.8%) | 1555 (23.4%) | 0.6 |
| Comorbidities | ||||||
| Diabetes mellitus | 29,077 (48.8%) | 1255 (15.1%) | < 0.001 | 1195 (18.0%) | 1227 (18.4%) | 0.5 |
| Tobacco use | 3045 (5.1%) | 190 (2.3%) | < 0.001 | 160 (2.4%) | 177 (2.7%) | 0.3 |
| Overweight, obesity and other hyperalimentation | 39,864 (66.9%) | 3183 (38.2%) | < 0.001 | 2927 (44.0%) | 2885 (43.4%) | 0.5 |
| Other chronic obstructive pulmonary disease | 16,460 (27.6%) | 429 (5.2%) | < 0.001 | 405 (6.1%) | 427 (6.4%) | 0.4 |
| Diseases of the nervous system | 54,858 (92.1%) | 7280 (87.5%) | < 0.001 | 5782 (86.9%) | 5763 (86.6%) | 0.6 |
| Cerebrovascular diseases | 11,177 (18.8%) | 344 (4.1%) | < 0.001 | 351 (5.3%) | 329 (4.9%) | 0.4 |
| Other forms of heart disease | 36,447 (61.2%) | 1636 (19.7%) | < 0.001 | 1588 (23.9%) | 1555 (23.4%) | 0.5 |
| Ischemic heart diseases | 23,472 (39.4%) | 645 (7.7%) | < 0.001 | 665 (10.0%) | 635 (9.5%) | 0.4 |
| Other and unspecified disorders of the circulatory system | 12,741 (21.4%) | 456 (5.5%) | < 0.001 | 415 (6.2%) | 416 (6.3%) | 1.0 |
| Diseases of veins, lymphatic vessels and lymph nodes | 15,401 (25.9%) | 683 (8.2%) | < 0.001 | 635 (9.5%) | 631 (9.5%) | 0.9 |
| Diseases of arteries, arterioles and capillaries | 15,873 (26.6%) | 519 (6.2%) | < 0.001 | 544 (8.2%) | 497 (7.5%) | 0.1 |
| Pulmonary heart disease and diseases of pulmonary circulation | 13,086 (22.0%) | 221 (2.7%) | < 0.001 | 252 (3.8%) | 217 (3.3%) | 0.1 |
| Chronic rheumatic heart diseases | 6295 (10.6%) | 102 (1.2%) | < 0.001 | 103 (1.5%) | 100 (1.5%) | 0.8 |
| Acute rheumatic fever | 218 (0.4%) | 10 (0.1%) | < 0.001 | 10 (0.2%) | 10 (0.2%) | 1 |
| Hypertensive diseases | 47,055 (79.0%) | 3130 (37.6%) | < 0.001 | 2996 (45.0%) | 2984 (44.9%) | 0.8 |
| Diseases of the digestive system | 45,097 (75.7%) | 4965 (59.7%) | < 0.001 | 4179 (62.8%) | 4151 (62.4%) | 0.6 |
| Mental, Behavioral and Neurodevelopmental disorders | 38,332 (64.3%) | 4016 (48.3%) | < 0.001 | 3461 (52.0%) | 3435 (51.6%) | 0.7 |
| Diseases of the genitourinary system | 41,119 (69.0%) | 3717 (44.7%) | < 0.001 | 3098 (46.6%) | 3144 (47.3%) | 0.4 |
| Malignant neoplasms of eye, brain and other parts of CNS | 235 (0.4%) | 21 (0.3%) | 0.05 | 21 (0.3%) | 18 (0.3%) | 0.6 |
| Epilepsy and recurrent seizures | 2661 (4.5%) | 258 (3.1%) | < 0.001 | 239 (3.6%) | 225 (3.4%) | 0.5 |