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Table 3 The reported prevalence and odds ratio of OSA in MCI population in included studies

From: The prevalence of obstructive sleep apnea in mild cognitive impairment: a systematic review

Author

Groups

Total sample

Subjects with OSA, n

Prevalence % (95% CI)

Odds Ratio (95% CI)

P-value

Dlugaj et al. [24]

MCI

230

61

27 (21.0–32.8)

1.03 (0.74–1.45)

0.84

aMCI

120

32

52 (39.4–65.2)

naMCI

110

29

48 (34.8–60.6)

Controls

676

174a

26 (22.5–29.2)

Guarnieri et al. [26]

MCI

138

81

59 (50.0–66.9)

–

–

aMCI

NR

NR

–

naMCI

Controls

–

–

–

Kim et al. [27]

MCI

30

21

70 (50.4–84.6)

1.00 (0.33–3.02)

1.00

aMCI

NR

NR

–

naMCI

Controls

30

21

70 (50.4–84.6)

aOsorio et al. [2]

MCI

402

44

11 (8.2–14.5)

3.61 (2.09–6.22)

<  0.0001

aMCI

402

44

100 (90–100)

naMCI

–

–

–

Controls

607

23

4 (2.5–5.7)

Wilson et al. [28]

MCI

37

17/24b

71 (48.8–86.6)

1.14 (0.34–3.86)

0.83

aMCI

10

NR

–

naMCI

27

Controls

37

17/25b

68 (46.5–84.3)

  1. Abbreviations: CI confidence interval, MCI mild cognitive impairment, aMCI amnestic mild cognitive impairment, naMCI non-amnestic mild cognitive impairment, OSA obstructive sleep apnea
  2. aData provided by study authors
  3. bAHI data was available on 24 out of the 37 subjects with MCI and 25 out of the 37 control subjects