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. 2022 Mar 3;10:e13069. doi: 10.7717/peerj.13069

Table 4. General characteristics of non-diabetic patients in this cohort.

Statistical analysis of age revealed that both groups conformed to a normal distribution and the variance tests were not homogeneous. Therefore, Welch’s adjusted unpaired t-test was selected. For other factors, a chi-square test was selected.

Entire cohort
(n = 112)
Evaluated by using MMSE-2
Without CI
(n = 95)
With CI
(n = 17)
χ2/t p
Sex (men, %) 81 (72.3%) 72 (75.8%) 9 (52.9%) 3.761 0.076
Age (median) 60.72 ± 11.907 61.09 ± 12.083 58.65 ± 10.977 0.779 0.438
Education (PSE, %) 51 (45.5%) 41 (43.2%) 10 (58.8%) 1.427 0.232
Smoke 35 (31.3%) 32 (33.7%) 3 (17.6%) 1.726 0.189
Hyperlipidemia 38 (33.9%) 30 (31.6%) 8 (47.1%) 1.541 0.214
Hypertension (%) 73 (65.2%) 60 (63.2%) 13 (81.5%) 1.126 0.289

Note:

PSE: post-secondary education. MMSE: Mini-mental State Examination. CI: cognitive impairment.