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Table 1 Demographic and PSG data of OSAS and non-OSAS children

From: Risk factors of obstructive sleep apnea syndrome in children

 OSAS
(n = 1008)
Non-OSAS
(n = 570)
P value
Age (years)5.7 ± 2.36.0 ± 2.50.04
Gender n(%)701 (69.5%)352 (61.8%)< 0.01
BMI (kg/m2)17.8 ± 5.516.8 ± 3.1< 0.01
Obese n(%)324 (32.1%)116 (20.4%)< 0.01
SE (%)85.6 ± 8.986.1 ± 9.10.3
OAI (/h)5.4 ± 10.50.1 ± 0.3< 0.01
OAHI (/h)10.5 ± 15.30.4 ± 0.3< 0.01
CAI (/h)1.2 ± 2.00.6 ± 0.7< 0.01
TArI(/h)5.6 ± 5.53.4 ± 3.8< 0.01
Lowest SaO2 (%)85.8 ± 11.492.1 ± 8.0< 0.01
  1. BMI body mass index, SE sleep efficiency, OAI obstructive apnea index, OAHI obstructive apnea-hypopnea index, CAI central apnea index, TArI total arousal index