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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