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Table 4 Mean scores of the Malay version of SAQLI by OSA severity

From: Validity and reliability of the Malay version of sleep apnea quality of life index – preliminary results

Instrument/domain OSA t statistic (d.f.) p value
Mild/moderate Severe
(n = 40) (n = 42)
Mean (SD) Mean (SD)
Malay version of SAQLI
  Daily functioning 4.3 (0.73) 3.4 (0.79) 5.12 (80) <0.001
  Social interactions 5.3 (0.75) 4.6 (0.98) 3.89 (80) <0.001
  Emotional functioning 4.7 (0.72) 4.1 (0.84) 3.49 (80) 0.001
  Total scale 4.8 (0.69) 4.1 (0.79) 4.49 (80) <0.001