Table 2

Values of V,NEP0.5 and V,NEP1 at two different NEP levels in seated and supine position.

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

OSAH = obstructive sleep apnea-hypopnea; m = mild; s = severe; data are mean ± SD; * p < 0.01 vs Controls; ** p < 0.001 vs Controls; # p < 0.01 vs Snorers

Ferretti et al. Respiratory Research 2006 7:54   doi:10.1186/1465-9921-7-54