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Table 1 Characteristics of study participation

From: Chemokine CXCL1 as a potential marker of disease activity in systemic lupus erythematosus

 

SLE

OADs

Healthy controls

p value

(n = 90)

(n = 56)

(n = 100)

Sex (females/males)

83/7

44/12

87/13

0.058a

Positive IgG ANAs (%)

100% (90/90)

57% (32/56)

3% (3/100)

< 0.001a

Positive HA IgG ANA (%)

71% (64/90)

30% (17/56)

0

< 0.001a

 

P50 (P25-P75)

P50 (P25-P75)

P50 (P25-P75)

 

Age (years)

34 (27–45)

37(31–46)

33 (28–44)

0.071a

SLEDAI score

14 (10–18)

ND

ND

 

CXCL1 (pg/mL)c

1492.86 (735.47–2887.34)

174.23 (17.07–368.40)

13.58 (8.46–37.22)

< 0.001b

An-dsDNA IgG (IU/L)d

1093.37 (448.21–2215.30)

10 (10–10)

10 (10–10)

< 0.001b

C3 (g/L)e

0.54 (0.34–0.77)

1.04 (0.86–1.27)

1.09 (0.96–1.23)

< 0.001b

C4 (g/L)f

0.09 (0.04–0.12)

0.21 (0.15–0.30)

0.255 (0.21–0.30)

< 0.001b

ESR (mm/h)g

25.45 (18.13–54.48)

19.5 (10.7–37.3)

12.75 (7.7–21.43)

< 0.001b

CRP (mg/mL)h

1.66 (0.67–5.49)

2.31 (0.92–8.20)

0.44 (0.30–0.57)

< 0.001b

Albumin (g/L)i

37.65 (30.88–42.80)

41.3 (35.55–44.53)

45.0 (43.30–46.60)

< 0.001b

Neu (×109)j

3.73 (2.60–5.65)

3.29 (2.47–5.03)

3.23 (2.55–4.0)

0.030b

  1. Characteristics of the study populations were shown in Table 1. SLE: Systemic lupus erythematosus; OADs: other autoimmune diseases; HAIgGANA: high-avidity antinuclear antibody (ANA) of the IgG isotype; ND: not detected. SLEDAI: SLE Disease Activity Index; C3/C4: Complement 3/4; ESR: erythrocyte sedimentation ratio; CRP: C-reactive protein; Neu: neutrophils
  2. aData was compared to different groups, the difference was statistically significant. The chi-squared test or Fisher's exact test were used
  3. bData was compared to different groups, the difference was statistically significant. The Kruskal–Wallis H test were used
  4. CSLE versus healthy controls, p < 0.001; SLE versus OAD, p < 0.001; OAD versus healthy controls, p < 0.001
  5. dSLE versus healthy controls, p < 0.001; SLE versus OAD, p < 0.001; OAD versus healthy controls, p = 0.002
  6. eSLE versus healthy controls, p < 0.001; SLE versus OAD, p < 0.001; OAD versus healthy controls, p = 0.011
  7. fSLE versus healthy controls, p < 0.001; SLE versus OAD, p < 0.001; OAD versus healthy controls, p = 0.007
  8. gSLE versus healthy controls, p < 0.001; SLE versus OAD, p = 0.158; OAD versus healthy controls, p < 0.001
  9. hSLE versus healthy controls, p < 0.001; SLE versus OAD, p = 0.094; OAD versus healthy controls, p < 0.001
  10. iSLE versus healthy controls, p < 0.001; SLE versus OAD, p = 0.005; OAD versus healthy controls, p < 0.001
  11. jSLE versus healthy controls, p = 0.007; SLE versus OAD, p = 0.352; OAD versus healthy controls, p = 0.242