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Table 1 Sociodemographic and clinical data of TRS and CMS patients, and healthy controls

From: Association between elevated serum matrix metalloproteinase-2 and tumor necrosis factor-α, and clinical symptoms in male patients with treatment-resistant and chronic medicated schizophrenia

 

TRS

(n = 31)

CMS

(n = 49)

Controls

(n = 53)

F/Z/χ2

P

Age (years)

40.65 (9.18)

40.61 (10.27)

40.02 (9.28)

0.063 a

0.939

Education (years)

8.58 (2.53)

9.43 (3.02)

9.83 (3.06)

1.783 a

0.172

BMI (kg/m2)

24.79 (3.80)

24.33 (3.60)

25.92 (3.07)

2.856 a

0.061

Smoking (n, %)

12 (38.7%)

29 (59.2%)

20 (37.7%)

5.551 b

0.062

Age of onset (years)

25.58 (7.73)

27.88 (8.76)

-

1.428 a

0.236

Duration of illness (years)

13 (10, 22)

10 (7, 15)

-

− 1.98 c

0.048

PANSS total score

74.03 (7.35)

47.55 (7.96)

-

222.819a

< 0.001

P subscores

14.03 (5.60)

9.12 (2.22)

-

30.353 a

< 0.001

N subscores

35.06 (4.64)

25.55 (4.19)

-

89.962 a

< 0.001

G subscores

24.94 (3.75)

13.33 (4.76)

-

132.125a

< 0.001

Equivalent dose of chlorpromazine (mg/d)

675 (615, 825)

500 (430, 565)

-

− 7.51 c

< 0.001

RBANS total score

55.87 (9.98)

59.98 (11.18)

91.02 (11.83)

136.918a

< 0.001

Immediate memory

47.39 (11.99)

52.24 (19.10)

86.85 (17.06)

75.428 a

< 0.001

Visuospatial/

constructional

66.32 (15.46)

72.06 (14.64)

91.47 (15.21)

34.272 a

< 0.001

Language

69.45 (12.80)

73.61 (14.41)

99.15 (10.29)

76.009 a

< 0.001

Attention

79.16 (12.45)

84.16 (14.13)

108.72 (14.02)

60.735 a

< 0.001

Delay memory

52.90 (15.02)

55.02 (17.04)

87.26 (16.28)

65.847 a

< 0.001

TNF-α (pg/ml)

5.84 (4.57)

6.07 (4.77)

3.86 (2.99)

4.289 a

0.016

MMP-2 (ng/mL)

31.67 (3.05)

30.93 (2.92)

29.55 (3.63)

4.682 a

0.011

  1. BMI, body mass index; PANSS, Positive and Negative Syndrome Scale. RBANS, Repeatable Battery for the Assessment of Neuropsychological Status; TNF-α, tumor necrosis factor-alpha; MMP-2, Matrix metalloproteinases. mean (SD), median (interquartile range); a, one-way of analysis of variance; b, χ2 test; c, Mann–Whitney U-test