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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