Anthropometric data
| Total (n=293) | No risk criteria | Risk group | Risk undefined | |||
| No HF (n=126) | HF EF>45% (n=46) | HF OSA (n=38) | EF≤45%+CSA (n=28) | EF unknown+CSA (n=5) | ||
| Age years | 71.9±10.6 (n=293) | 71.3±11.1 (n=126) | 73.0±6.6*** (n=46) | 70.9±9.7## (n=38) | 72.6±10.3 (n=28) | 74.2±9.3 (n=5) |
| Minimum SaO2 % | 77.8±10.8 (n=256) | 77.4±10.3 (n=102) | 80.3±7.4 (n=44) | 74.4±12.5# (n=35) | 79.9±12.2 (n=28) | 71.8±13.8 (n=5) |
| AHI h−1 | 46.0±20.4 (n=259) | 48.0±21.2 (n=103) | 47.3±22.0 (n=44) | 44.2±19.1 (n=37) | 44.9±15.2 (n=28) | 42.0±16.8 (n=5) |
| Height cm | 173.7±7.9 (n=281) | 173.4±8.2 (n=120) | 173.2±8.2 (n=44) | 173.2±7.5 (n=38) | 175.1±8.4 (n=28) | 172.7±5.0 (n=3) |
| Weight kg | 96.0±18.0 (n=281) | 94.0±17.3 (n=120) | 97.2±20.0 (n=44) | 100.5±20.2¶ (n=38) | 91.2±14.3 (n=28) | 113.6±15.1 (n=3) |
| BMI kg·m−2 | 31.8±5.5 (n=281) | 31.2±5.1 (n=120) | 32.4±5.8 (n=44) | 33.4±5.8*,¶¶ (n=38) | 29.8±4.5 (n=28) | 38.3±7.1* (n=3) |
| Males/females | 264 (90%)/29 (10%) | 111 (88%)/15 (12%) | 42 (91%)/4 (9%) | 35 (92%)/3 (8%) | 27 (96%)/1 (4%) | 4 (80%)/1(20%) |
| Group I devices | 164 (56%) | 77 (61%) | 26 (57%) | 23 (61%) | 10 (36%) | 1 (20%) |
| Weinmann | 65 (22%) | 33 (26%) | 10 (22%) | 8 (21%) | 4 (14%) | 1 (20%) |
| Respironics | 46 (16%) | 17 (13%) | 10 (22%) | 11 (29%) | 2 (7%) | 0 (0%) |
| ResMed | 53 (18%) | 27 (21%) | 6 (13%) | 4 (11%) | 4 (14%) | 0 (0%) |
| Group II devices | 117 (40%) | 45 (36%) | 18 (39%) | 15 (39%) | 15 (54%) | 4 (80%) |
| Weinmann | 3 (1%) | 2 (2%) | 0 (0%) | 0 (0%) | 0 (0%) | 0 (0%) |
| Respironics | 108 (37%) | 41 (33%) | 16 (35%) | 15 (39%) | 15 (54%) | 4 (80%) |
| ResMed | 6 (2%) | 2 (2%) | 2 (4%) | 0 (0%) | 0 (0%) | 0 (0%) |
Data are presented as mean±sd unless otherwise indicated. Anthropometric data of the different patient groups according to risk stratification are presented. Group I: devices with autoadjustment of expiratory positive airway pressure (EPAP) and/or a pressure support that can be adjusted to zero (Somnovent CR, BiPAP autoSV, BiPAP autoSV 2, AutoSet CS and AutoSet CS 2); Group II: devices without auto-adjustment of EPAP or a pressure support that can be adjusted to zero (SomnoVent Auto ST, BiPAP autoSV 2 (with auto-EPAP), BiPAP autoSV Advanded SO and AutoSet CS Pacewave). HF: heart failure; EF: ejection fraction; OSA: obstructive sleep apnoea; CSA: central sleep apnoea; SaO2: arterial oxygen saturation; AHI: apnoea–hypopnoea index; BMI: body mass index. All p-values according to unpaired t-test. *: p<0.05 versus no HF; ***: p<0.001 versus no HF; #: p<0.05 versus HF EF>45%; ##: p<0.01 versus HF EF>45%; ¶: p<0.05 versus EF≤45%+CSA; ¶¶: p<0.01 versus EF≤45%+CSA.