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Table 4 Home sleep test variables (means ± SD)

From: Mini-implant assisted rapid palatal expansion (MARPE) effects on adult obstructive sleep apnea (OSA) and quality of life: a multi-center prospective controlled trial

  Control Intervention T1 intergroups comparison (homogeneity)
T1 T2 T1 T2
Total Sleep Time 353.31 ± 53.63 356.02 ± 58.38 374.36 ± 68.14 368.02 ± 59.12 0.481
AHI 27.44 ± 10.35 24.18 ± 11.37 28.75 ± 11.39 11.45 ± 6.16** 0.798
AHI < 50% 0/10 (0%) 11/14 (78.5%)
AHI < 5 0/10 (0%) 5/14 (35.7%)
FLOW 10.80 ± 3.04 10.40 ± 2.91 11.33 ± 2.62 7.16 ± 1.68** 0.910
SpO2 91.23 ± 2.81 91.87 ± 2.25 91.92 ± 2.65 94.32 ± 1.97* 0.693
SpO2 min 85.50 ± 4.40 84.76 ± 5.37 84.10 ± 4.88 85.22 ± 3.82 0.859
SNR (db) 83.70 ± 3.71 83.30 ± 3.23 82.18 ± 5.16 81.36 ± 5.80 0.776
SNR (%) 13.10 ± 10.07 11.40 ± 8.20 15.68 ± 11.22 3.80 ± 3.43** 0.601
Body position 44.70 ± 12.71 41.80 ± 9.69 45.33 ± 14.20 48.89 ± 10.91 0.901
Bruxism 10.80 ± 3.04 7.61 ± 2.79 9.67 ± 3.72 7.02 ± 3.15 0.438
Bruxism/apnea 0.95 ± 0.42 0.97 ± 0.45 0.91 ± 0.50 0.40 ± 0.25* 0.540
  1. *Intra-group statistical significance (Wilcoxon signed rank) between T1 and T2 (displayed on T2 column), where: * p < 0.05; ** p < 0.01; ***p < 0.001