Table 1 Demographic characteristics of new-onset AS, HC and RA + SLE subjects

Age (years)

32.56 ± 9.37

30.95 ± 10.55

50.67 ± 15.13^#

Sex (male/female)

35/17

38/18

4/32^#

ASDAS-CRP

2.87 ± 1.20

BASDAI

4.48 ± 1.80

BASFI

4.04 ± 1.51

HLA-B27 positive/total

0/52

38/45

CRP (mg/l)

18.86 ± 31.68

ESR (mm/h)

20.87 ± 21.93

WBC (10⁹/l)

6.39 ± 1.15

7.27 ± 1.63^*

7.26 ± 3.24

RBC (10¹²/l)

5.00 ± 0.45

4.87 ± 0.72

4.17 ± 0.47^#

HGB (g/l)

150.65 ± 12.34

139.5 ± 16.28^*

119.61 ± 17.88^#

HCT (l/l)

0.45 ± 0.04

0.43 ± 0.05^*

0.38 ± 0.05^#

PLT (10⁹/l)

243.02 ± 42.30

288.73 ± 80.33^*

267.63 ± 114.89

MPV (fl)

10.55 ± 0.82

9.78 ± 1.07^*

10.12 ± 1.36

PCT (%)

0.25 ± 0.04

0.28 ± 0.07

0.26 ± 0.09

PDW (fl)

12.66 ± 1.69

14.43 ± 2.40^*

15.93 ± 0.89^#

L (10⁹/l)

2.24 ± 0.50

1.90 ± 0.48^*

1.39 ± 0.67^#

L (%)

35.50 ± 7.25

26.81 ± 5.92^*

22.71 ± 7.02^#

M (10⁹/l)

0.45 ± 0.15

0.44 ± 0.13

0.43 ± 0.18

M (%)

6.70 ± 1.76

6.18 ± 1.72^*

6.57 ± 2.34

N (10⁹/l)

3.54 ± 0.91

4.78 ± 1.42^*

5.33 ± 2.76

N (%)

55.02 ± 7.32

65.02 ± 7.17^*

71.26 ± 8.64^#