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Table 1 Age, race, respiratory disturbance index (RDI), OAHI, body mass index (BMI), ventilatory drive in hypoxia (Slope, P0.1/PETO2) and the resting PETCO2 (mmHg) in subjects divided into low and high OAHI groups. Values are means ± SD.

From: Ventilatory drive and the apnea-hypopnea index in six-to-twelve year old children

Group N Age (Y) RDI OAHI BMI (kg/m2) Slope, P0.1/PETO2 (cmH2O/mmHg) Resting PETCO2 (mmHg)
Low OAHI 27 8.6 ± 1 (6–11) 4.4 ± 5 (1–13) 3.1 ± 0.8 (1.2–4.5) 18.4 ± 5 (13.4–35) 155 ± 27 (0–555) 42.5 ± 0.6 (39.1–48.1)
High OAHI 23 9.3 ± 5 (8–12) 14.6 ± 14 (6.5–72.4) 12 ± 10 (5.9–52) 19 ± 4 (12.6–26) 83 ± 20 (0–330) 44 ± 0.7 (39.4–54.9)
P value, low vs. high   0.67 <0.001 <0.001 0.74 0.037 0.066