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Table 3 Comparison of last sleep study results between the two groups and time since the previous sleep study was performed in the referral hospital

From: Transition to adult care in young people with neuromuscular disease on non-invasive ventilation

Last sleep study results. BGCH a RBHTa p value
Mean CO2 (n, KPas) 5.27 (4.6–6.3) 5.89 (4.16–7.89) p = 0.0596
Time spent CO2 > 6.5 KPas (%) 0 (0–35) 1 (0–100) p = 0.1715
Mean SpO2 (%) 97 (94–99) 97 (94–99) p = 0.8178
Time spent SpO2 < 90% (%) 0 (0–14.2) 0 (0–0.59) p = 0.3374
ODI 4% (events/h) 0.80 (0–6.5) 2.75 (0–10) p = 0.0757
AHI 0.5 (0–5.3)
Time since last sleep study (months) 7 (1–13) 8 (1–13) p = 0.6851
  1. aMedian (minimum-maximum)
  2. ODI Oxygen Desaturation Index, AHI Apnea-Hypopnea Index. (BGCH = Paediatric Respiratory Unit of the Bambino Gesù Children Hospital; RBHT = Paediatric Respiratory Unit of the Royal Brompton Hospital)