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. 2020 Jul 2;15(7):e0234659. doi: 10.1371/journal.pone.0234659

Table 2. Participants’ information based on medical history.

Characteristics na (%) Mean MMSEb scores (95% CIc) P Valuesd
Medical history
Hypertension
    Yes 49 (48.0) 24.2 (22.3–26.2) 0.210
    No 53 (52.0) 22.3 (20.1–24.6)
Diabetes
    Yes 26 (25.5) 23.5 (20.7–26.3) 0.851
    No 76 (74.5) 23.2 (21.4–25.0)
Cardiovascular diseases
    Yes 32 (31.4) 24.8 (22.5–27.0) 0.183
    No 70 (68.6) 22.6 (20.6–24.5)
Hyperlipidemia
    Yes 17 (16.7) 26.0 (23.0–29.0) 0.105
    No 85 (83.3) 22.7 (21.0–24.4)
Cerebral trauma
    Yes 2 (2.0) 23.0 (−53.2–99.2) 0.962
    No 100 (98.0) 23.3 (21.7–24.8)
Prior stroke
    Yes 21 (20.6) 22.4 (19.0–25.8) 0.559
    No 81 (79.4) 23.5(21.8–25.2)
Smoking
    Active smokers 9 (8.8) 21.7 (16.8–26.6) 0.516
    Former or non-smokers 93 (91.2) 23.4 (21.8–25.0)

aThe number of cases

bMini Mental State Examination

cConfidence interval

dIndependent sample t-tests