Table 2 Values of V,NEP0.5 and V,NEP1 at two different NEP levels in seated and supine position.
From: Upper airway dynamics during negative expiratory pressure in apneic and non-apneic awake snorers
SEATED | SUPINE | |||
|---|---|---|---|---|
NEP | -5 cmH2O | -7 cmH2O | -5 cmH2O | -7 cmH2O |
V,NEP0.5 | ||||
Controls | 559 ± 98 | 655 ± 113 | 492 ± 69 | 571 ± 96 |
Snorers | 457 ± 150 | 520 ± 147 | 427 ± 101 | 430 ± 134 |
OSAH | 363 ± 123* | 419 ± 132** | 340 ± 88** # | 379 ± 113** |
OSAH, m | 402 ± 129 | 428 ± 157 | 353 ± 103 | 387 ± 108 |
OSAH, s | 332 ± 112 | 410 ± 112 | 329 ± 73 | 372 ± 119 |
V,NEP1 | ||||
Controls | 1036 ± 134 | 1128 ± 158 | 832 ± 95 | 920 ± 136 |
Snorers | 864 ± 246 | 930 ± 274 | 737 ± 194 | 755 ± 224 |
OSAH | 708 ± 189* | 781 ± 210* | 628 ± 136* | 669 ± 177* |
OSAH, m | 732 ± 202 | 766 ± 230 | 625 ± 159 | 666 ± 178 |
OSAH, s | 688 ± 182 | 792 ± 199 | 629 ± 120 | 671 ± 180 |