Table 2 Changes in the PANSS and its subscales and PANSS-EC scores vs. baseline values

PANSS Total (n = 83)

90.87 ± 15.66

80.87 ± 17.64

73.76 ± 18.10

64.93 ± 18.18

135.59

 < 0.001

PANSS Total in North China (n = 55)

93.55 ± 15.66

84.96 ± 16.34

78.74 ± 16.20

70.32 ± 16.24

89.50

 < 0.001

PANSS Total in Northeast China (n = 28)

85.61 ± 14.52

72.36 ± 17.48

62.30 ± 17.31

50.13 ± 15.00

57.72

 < 0.001

PANSS Positive subscale (n = 83)

26.78 ± 4.35

23.24 ± 5.04

20.61 ± 5.47

17.08 ± 4.84

145.30

 < 0.001

PANSS Positive subscale in North China (n = 55)

27.04 ± 4.30

24.31 ± 4.80

22.11 ± 5.28

18.42 ± 4.22

97.02

 < 0.001

PANSS Positive subscale in Northeast China (n = 28)

26.29 ± 4.49

21.07 ± 4.90

17.50 ± 4.52

13.72 ± 4.76

61.83

 < 0.001

PANSS Negative subscale (n = 83)

19.07 ± 8.13

18.04 ± 7.90

16.60 ± 7.83

16.20 ± 7.98

34.56

 < 0.001

PANSS Negative subscale in North China (n = 55)

21.16 ± 8.33

20.13 ± 8.15

18.83 ± 8.10

18.20 ± 8.05

25.14

 < 0.001

PANSS Negative subscale in Northeast China (n = 28)

14.96 ± 5.97

13.93 ± 5.50

12.22 ± 5.00

11.11 ± 5.16

9.16

 < 0.001

General psychopathology subscale (n = 83)

45.01 ± 7.71

39.70 ± 8.83

36.46 ± 8.58

32.11 ± 8.37

115.23

 < 0.001

General psychopathology subscale in North China (n = 55)

45.35 ± 7.82

40.79 ± 8.03

38.13 ± 7.80

34.27 ± 7.89

83.33

 < 0.001

General psychopathology subscale in Northeast China (n = 28)

44.36 ± 7.60

37.44 ± 10.10

32.84 ± 9.21

26.41 ± 6.94

39.25

 < 0.001

PANSS-EC subscale (n = 83)

19.52 ± 4.26

15.11 ± 4.39

12.51 ± 4.18

9.45 ± 3.57

157.12

 < 0.001

PANSS-EC subscale in North China (n = 55)

19.40 ± 3.90

15.83 ± 3.83

13.41 ± 4.07

10.07 ± 3.67

107.79

 < 0.001

PANSS-EC subscale in Northeast China (n = 28)

19.75 ± 4.96

13.67 ± 5.10

10.65 ± 3.84

7.89 ± 2.83

55.93

 < 0.001