Table 2 Details of polysomnography studies.

From: Sleep-related breathing disorder in non-infectious pulmonary complications after pediatric allogeneic stem cell transplantation

Number of studied patients

12

Sleep characteristics

  Total sleep time (min)

442 (400–481)

  Non-REM (min)

351 (310–369)

  REM (min)

103 (66–123)

  Sleep efficiency (%)

91 (81–92)

Breathing characteristics

  Central apnea index

0,0 (0–0.2)

  Obstructive apnea/hypopnea index

0.1 (0–0.7)

  EtCO2 maximum

6.3 (5.8–6.8)

  SpO2 mean

95 (93–96)

  Work of breathing (0–2/normal–laborious)

1.0 (0–2.0)

  1. REM rapid eye movement sleep, EtCO2 end-tidal carbon dioxide, SpO2 pulse oximeter oxyhemoglobin saturation.
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