Table 3.
CPAP adherence 1 year after initiating treatment —comparison of Type 2 diabetes and sleep clinic patients.
| TYPE 2 DIABETES PATIENTS | SLEEP CLINIC PATIENTS | |||||
|---|---|---|---|---|---|---|
| All initiating CPAP | Good CPAP adherence | Poor CPAP adherence | All initiating CPAP | Good CPAP adherence | Poor CPAP adherence | |
| Patients, n (%) | 38 (100%) | 15 (39%) | 23 (61%) | 74 (100%) | 29 (39%) | 45 (61%) |
| Men, n (%) | 23 (61%) | 9 (60%) | 14 (61%) | 64 (86%)# | 28 (97%) | 36 (80%)* |
| Age (years) | 62.9 ± 1.6 | 64.6 ± 2.2 | 61.8 ± 2.1 | 51.9 ± 1.4# | 50.4 ± 2.4 | 52.9 ± 1.7 |
| BMI (kg/m2) | 35.0 ± 1.1 | 35.7 ± 1.7 | 34.6 ± 1.5 | 34.8 ± 0.8 | 35.3 ± 1.2 | 34.5 ± 1.2 |
| Hypertension, n (%) | 35 (92%) | 12 (80%) | 23 (100%)* | 49 (66%)# | 19 (66%) | 30 (67%) |
| Dyslipidemia, n (%) | 32 (84%) | 13 (87%) | 19 (83%) | 35 (47%)# | 18 (62%) | 17 (38%) |
| CV disease, n (%) | 8 (21%) | 2 (13%) | 6 (26%) | 5 (7%) | 4 (14%) | 1 (2%) |
| ESS (score) | 7.6 ± 0.8 | 5.9 ± 0.8 | 8.7 ± 1.1 | 10.7 ± 0.7# | 10.6 ± 1.2 | 10.8 ± 0.8 |
| REI, n | 40.8 ± 3.0 | 44.0 ± 5.1 | 38.7 ± 3.8 | 46.0 ± 2.4 | 52.5 ± 4.1 | 41.8 ± 2.8* |
| T90, min | 31.3 ± 4.2 | 38.1 ± 7.4 | 26.8 ± 4.9 | 24.7 ± 3.0 | 32.8 ± 5.1 | 19.5 ± 3.6* |
| T90 ≥ 10%, n (%) | 29 (76%) | 12 (80%) | 17 (74%) | 42 (57%) | 21 (72%) | 21 (47%) |
| CPAP ADUall, h | 3.8 ± 0.4 | 5.8 ± 0.3 | 2.6 ± 0.3* | 3.7 ± 0.3 | 6.1 ± 0.2 | 2.1 ± 0.3* |
| CPAP ADU1year, h | 4.5 ± 0.3 | 5.8 ± 0.3 | 3.3 ± 0.2* | 4.8 ± 0.2 | 6.1 ± 0.2 | 3.4 ± 0.3* |
CPAP, continuous positive airway pressure; CV disease, cardiovascular disease defined as myocardial infarction, percutaneous coronary intervention or stroke; REI, respiratory event index; T90, sleep time with oxygen saturation < 90%, CPAP ADUall, CPAP average daily use of all patients accepting CPAP; CPAP ADU1year, CPAP average daily use of all patients using CPAP after 1 year; Good adherence to CPAP, average daily use of CPAP ≥ 4 h ≥ 70% of nights 1 year from initiating CPAP treatment;
Poor adherence to CPAP, average daily use of CPAP < 4 h ≥ 70% of nights 1 year from initiating CPAP treatment
Data represent mean ± SEM (standard error of the mean) or proportions (%)
p < 0.05 for differences between patients with “good” and “poor” adherence to CPAP within the group (Type 2 diabetes patients or sleep clinic patients) (T-test, Chi-Square test)
p < 0.05 for differences between Type 2 diabetes and Sleep clinic patients initiating CPAP (T-test, Chi-Square test).