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Retrospective Cohort Study
Copyright: ©Author(s) 2026.
World J Psychiatry. Apr 19, 2026; 16(4): 114138
Published online Apr 19, 2026. doi: 10.5498/wjp.v16.i4.114138
Table 1 Baseline demographic and clinical characteristics of our hospital cohort, n (%)/mean ± SD
Characteristic
Total cohort (n = 10000)
Obese (n = 4370)
Non-obese (n = 5630)
P value
Demographics
Age, years42.3 ± 13.544.1 ± 12.840.9 ± 13.9< 0.001
Male sex5820 (58.2)2234 (51.1)3586 (63.7)< 0.001
Race/ethnicity0.002
White4235 (42.4)1789 (40.9)2446 (43.4)
Black2890 (28.9)1342 (30.7)1548 (27.5)
Hispanic1876 (18.8)856 (19.6)1020 (18.1)
Asian654 (6.5)234 (5.4)420 (7.5)
Other345 (3.5)149 (3.4)196 (3.5)
Clinical characteristics
Schizophrenia subtype0.134
Paranoid5234 (52.3)2289 (52.4)2945 (52.3)
Disorganized1876 (18.8)834 (19.1)1042 (18.5)
Catatonic234 (2.3)95 (2.2)139 (2.5)
Undifferentiated1543 (15.4)678 (15.5)865 (15.4)
Schizoaffective1113 (11.1)474 (10.8)639 (11.4)
Duration of illness, years12.8 ± 9.414.2 ± 9.811.7 ± 8.9< 0.001
Hospitalizations at our facility4.3 ± 3.84.9 ± 4.23.8 ± 3.4< 0.001
PANSS total score78.4 ± 18.276.2 ± 17.480.1 ± 18.7< 0.001
GAF score48.3 ± 12.146.9 ± 11.849.4 ± 12.2< 0.001


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