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Table 4 Polysomnography results in FASD patients and the control group exceeding the reference intervals based on the PSG laboratory control group

From: Sleep problems among children with Fetal Alcohol Spectrum Disorders (FASD)- an explorative study

  Reference interval Number (%) of patients with result above or below reference interval
FASD patients (n = 19) Control group (n = 5)
Below Above Below Above
Sleep efficiency, % ≥63.38 0 NA 0 NA
Sleep latency, min 0.6–85.2 0 1 (5) 0 0
Stage shifts, n 45.2–108.4 0 1 (5) 0 0
W, %SPT 1.42–28.34 1 (5) 0 0 0
N1, %TST 0.5–7.9 0 2 (11) 0 1 (20)
N2, %TST 39–62.4 1 (5) 0 0 0
N3, %TST 19.8–43.7 3 (16) 0 1 (20) 0
REM, %TST 6.1–27.4 0 0 0 0
Arousal index, events/h ≤7.7 NA 7 (37) NA 3 (60)