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Table 1 Baseline characteristics of systemic lupus erythematosus patients

From: PD-L1-expressing neutrophils as a novel indicator to assess disease activity and severity of systemic lupus erythematosus

Categories

SLE patients (n = 77)

Healthy controls (n = 43)

General conditions

Female,%

91 %

77 %

Age, years, average ± SD

35 ± 13

32 ± 11

SLEDAI, median (range)

4 (0–14)

 

Clinical features, number of patients

 Fever

5

 

 Cutaneous manifestations

12

 

 Oral ulcer

3

 

 Alopecia

5

 

 Arthritis

11

 

 Raynaud’s phenomenon

5

 

 Effusion

3

 

 Renal involvement

27

 

Laboratory parameters, number of patients

 Leucopenia

8

 

 Erythrocytopenia

20

 

 Thrombocytopenia

5

 

 Anemia

29

 

 Pyuria

13

 

 Hematuria

6

 

 Proteinuria

16

 

 Anti-dsDNA(+)

27

 

 Increased ANA (>1:320)

27

 

Anti-ENA (39 patients)

 Anti-Sm

15

 

 Anti-Ro52

24

 

 Anti-nRNP/Sm

24

 

 Anti-Rrnp

16

 

 Anti-nucleosome

13

 

 Anti-SSA

29

 

 Anti-SSB

10

 

Decreased C3/C4

38/31

 

Increased IgG

24

 

Elevated ESR/CRP

38/10

 
  1. SLE systemic lupus erythematosus, SLEDAI SLE disease activity index, Anti-dsDNA anti double-stranded DNA, ANA antinuclear antibodies, C3 complement 3, C4 complement 4, ESR erythrocyte sedimentation rate, CRP C-reactive protein, Anti-SSA anti-Sjogren’s syndrome-related antigen A, Anti-SSB anti-Sjogren’s syndrome-related antigen B, ENA anti-extractable nuclear antigen, Sm Smith, RNP ribonucleoprotein, rRNP ribosomal RNP