Table 1—

Summary of demographicy, respiratory disturbance index and total sleep time data of the 30 patients with severe nonpositional obstructive sleep apnoea

Mean±sd(RANGE)
yrs57.6±11.7(26–74)
BMI32.3±4.3(24.5–47)
RDI-S85.7±11.7(45.8–157.3)
RDI-L64.8±17.3(40.3–105.9)
S:L1.3±0.2(1.1–1.7)
RDI-T71.3±16.7(44–112)
TST364.1±60.7(211–470)
TST-S135.3±63.5(51–320)
TST-L228.8±84.1(28–392)
ST-1/3123.7±22.6(73–159)
ST-2/3119.5±21.3(61–147)
ST-3/3120.9±22.4(71–162)
  • BMI: body mass index

  • RDI-S: respiratory disturbance index in supine posture

  • RDI-L: respiratory disturbance index in lateral posture

  • S:L: ratio RDI-S/RDI-L

  • RDI-T: total respiratory disturbance index

  • TST: total sleep time

  • TST-S: supine total sleep time

  • TST-L: lateral total sleep time

  • ST-1/3: sleep time in the first third

  • ST-2/3: sleep time in the second third

  • ST-3/3: sleep time in the third third