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Retrospective Study
©Author(s) (or their employer(s)) 2026.
World J Psychiatry. Mar 19, 2026; 16(3): 113765
Published online Mar 19, 2026. doi: 10.5498/wjp.v16.i3.113765
Table 1 Comparison of baseline characteristics of patients, mean ± SD/n (%)
Variables
Total (n = 158)
Control group (n = 72)
Observation group (n = 86)
Statistic
P value
Age (years)66.93 ± 3.6667.11 ± 3.7166.78 ± 3.63t = 0.570.572
Disease duration (years)7.39 ± 4.387.17 ± 4.517.58 ± 4.29t = -0.590.555
Chlorpromazine equivalent (mg/day)309.99 ± 23.89311.74 ± 25.16308.53 ± 22.81t = 0.840.402
Sexχ2 = 0.020.887
Female89 (56.33)41 (56.94)48 (55.81)
Male69 (43.67)31 (43.06)38 (44.19)
Degree of educationχ2 = 0.070.963
Primary school and below64 (40.51)30 (41.67)34 (39.53)
Junior to senior high school74 (46.84)33 (45.83)41 (47.67)
Senior high school and above20 (12.66)9 (12.50)11 (12.79)
Marital statusχ2 = 0.490.483
Married121 (76.58)57 (79.17)64 (74.42)
Unmarried/divorced/widowed37 (23.42)15 (20.83)22 (25.58)
Family historyχ2 = 0.420.518
No141 (89.24)63 (87.50)78 (90.70)
Yes17 (10.76)9 (12.50)8 (9.30)


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