Table 1 Sociodemographic and clinical characteristics of the study participants included for analysis
From: Peripheral arterial tonometry versus polysomnography in suspected obstructive sleep apnoea
Characteristics | All (n = 940); avg ± SEM, n (%) | Concordant (n = 748); avg ± SEM, n (%) | Discordant (n = 192); avg ± SEM, n(%) | p-value* |
|---|---|---|---|---|
Age, years | 55 ± 0.4 | 56 ± 0.5 | 51 ± 1.1 | < 0.0001 |
Gender | < 0.0001 | |||
Male | 624 (66) | 518 (69) | 106 (55) | |
Body mass index, kg/m2 | 31 ± 0.2 | 32 ± 0.2 | 29 ± 0.4 | < 0.0001 |
Epworth sleepiness scale (n = 754) | 9.3 ± 0.2 | 9.3 ± 0.2 | 9.2 ± 0.4 | 0.735 |
Time between PAT and PSG (days) | 28 ± 0.7 | 28 ± 0.8 | 29 ± 1.5 | 0.523 |
Smoking status (n = 862) | 0.091 | |||
Current/ex- smoker | 301 (47)/101 (11) | 155 (22)/246 (36) | 51 (30)/50 (29) | |
Never smoker | 360 (42) | 290 (42) | 70 (41) | |
Pack years | 27 ± 1.0 | 28 ± 1.1 | 24 ± 2.0 | 0.052 |
Comorbidities | 847 (90) | 675 (90) | 172 (90) | 0.785 |
Arterial hypertension | 534 (57) | 449 (60) | 85 (44) | < 0.0001 |
Asthma | 125 (13) | 91 (12) | 34 (18) | 0.044 |
Atrial fibrillation | 58 (6) | 48 (6) | 10 (5) | 0.806 |
Cerebral vascular disease | 65 (7) | 55 (7) | 10 (5) | 0.296 |
COPD | 96 (10) | 74 (10) | 22 (11) | 0.523 |
Congestive heart failure | 69 (7) | 57 (8) | 12 (6) | 0.516 |
Coronary artery disease | 111 (12) | 87 (12) | 24 (13) | 0.739 |
Depression | 147 (16) | 108 (14) | 39 (20) | 0.046 |
Diabetes mellitus | 160 (17) | 133 (18) | 27 (14) | 0.221 |
Renal disease | 125 (13) | 110 (15) | 25 (13) | 0.012 |
Rheumatological disease | 76 (8) | 61 (8) | 15 (8) | 0.877 |