Table 2: Participant’s demographics and clinical characteristics.


Characteristics
Apathetic, 𝑛 = 1 4 Nonapathetic, 𝑛 = 2 6 𝑃 valueTotal ( 𝑛 = 4 0 )

Age, 𝑦 , mean, CI95%83.6 (81.2–86)86.3 (84.2–88.5)NS85.4 (83.8–87)
Gender, female, 𝑛 , %8 (57)21 (81)19 (72.5)
Education, 𝑛 , %
 Primary school8 (20)17 (42.5)NS25 (62.5)
 High school6 (15)2 (5)NS8 (20)
 Tertiary qualification (TQ)0 (0)7 (17.5)NS7 (17.5)
Mini mental state examination score (0–30), mean, CI95%17.9 [15.9–20]17.6 [16–19.1]NS17.7 [16.5–19]
 Moderately severe cognitive impairment (10–15), 𝑛 (%)5 (12.5)12 (30)NS17 (42.5)
 Moderate cognitive impairment (16–20), 𝑛 (%)6 (15)8 (20)NS14 (35)
 Mild cognitive impairment (21–26), 𝑛 (%)3 (7.5)6 (15)NS9 (22.5)
Neuropsychiatric inventory (0–144), mean CI95%19.7 [9–30.5]9.5 [6.1–13]NS13.1 [8.7–17.5]
Neuropsychiatric distress Total (0–60), mean CI95%6.5 [2–11]4 [2.8–5.3]NS4.9 [3.2–6.6]
Frontal assessment battery (0–18), mean CI95%10 [8.7–11.3]8.7 [7.7–9.8]NS9.1 [8.3–9.9]
Apathy inventory criteria (0–12), mean CI95%3.7 [2.3–5.2]2.6 [1.6–3.5]NS2.9 [2.2–3.7]

Note: Nonparametric and parametric tests were used according to the data characteristics.