Table 1 Characteristics of 97 patients participated in both surveys

Follow up time, years

-

6.2 ± 0.7

Male (%)

53 (54.6)

-

Age, years

48.2 ± 11.0

-

Ethnicity, Chinese

97 (100)

Duration of PsA years

8.1 ± 6.9

-

Education, years

8.7 ± 3.6

-

BMI, kg/m²

25.6 ± 4.4

-

ESR, mm/hour

33.0 ± 28.6

-

Tender joint count, 0-68

4.16 ± 5.10

-

Swollen joint count, 0-66

1.91 ± 2.69

-

Damage joint count, 0-68

2.97 ± 4.40

-

Dactylitis count, 0-20

0.58 ± 4.96

-

PASI, 0-72

5.62 ± 7.57

-

Pain, 0-10

4.96 ± 2.52

-

PGA, 0-10

4.52 ± 2.46

4.11 ± 2.64

PhGA, 0-10

2.12 ± 1.92

-

XR Sacroiliitis (%)

34 (35.1)

-

XR hand erosion (%)

58 (59.8)

-

HAQ

0.64 ± 0.59

0.43 ± 0.57

SF36

PCS (SD)

39.19 ± 8.65

36.05 ± 12.23

MCS (SD)

43.50 ± 11.47

45.42 ± 12.52

Ever use DMARD (%)

47 (48.5)

78 (80.4)

Ever use biologics (%)

0

22 (22.7)