Table 5

Differences in SBP indices at 10-year follow-up (95% CI) by OSA status at baseline using normal as reference in participants with/without OSA at follow-up

Outcome measuresOSA status at follow-upOSA status at baseline
NormalPSMildModerate/severe
Nocturnal SBP (mm Hg)No OSARef1.8 (−1.8 to 5.3)0.4 (−2.6 to 3.3)6.2* (0.4 to 12.0)
OSA4.1† (−0.4 to 8.6)2.0 (−3.5 to 7.5)0.8 (−3.5 to 5.2)8.1*** (3.6 to 12.5)
SBP nocturnal dipping (%)No OSARef−2.2* (−4.5 to –0.0)−0.5 (−2.4 to 1.3)−5.5** (−9.1 to –2.0)
OSA−2.3† (−5.1 to 0.5)1.2 (−2.2 to 4.6)1.4 (−1.3 to 4.1)−3.9** (−6.7 to –1.1)
  • Adjusted for sex, age, Body Mass Index and height at baseline, height at follow-up and parental self-reported hypertension (either parent vs none).

  • *P<0.05, **P<0.01, ***P<0.001.

  • †P<0.10.

  • OSA, Obstructive Sleep Apnoea; OSA, obstructive sleep apnoea; OSA, Obstructive Sleep Apnoea; OSA, Obstructive Sleep Apnoea; SBP, Systolic Blood Pressure; SBP, Systolic Blood Pressure; SBP, Systolic Blood PressureSBP, Systolic Blood Pressure;

  • OSA, Obstructive Sleep Apnoea; OSA, obstructive sleep apnoea; OSA, Obstructive Sleep Apnoea; OSA, Obstructive Sleep Apnoea; SBP, Systolic Blood Pressure; SBP, Systolic Blood Pressure; SBP, Systolic Blood PressureSBP, Systolic Blood Pressure.