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Table 2 Differences in the age, sex, serum cytokines level, and NFC changes between SLE patients and control group

From: Nailfold capillaroscopy in Egyptian systemic lupus erythematosus (SLE) patients: correlation with demographic features and serum levels of IL 17A and IFNs I

Parameters

Controls (n = 20)

SLE patients (n = 53)

P value

Age (years)

34.21 ± 11.4

32.5 ± 10.6

NS

Sex (M/F)

6/14

7/46

NS

IL-17A (ng/ml)

1.23 ± 0.16

3.137 ± 0.7

 < 0.0001

IFN-α (ng/ml)

0.185 ± 0.019

0.371 ± 0.081

 < 0.0001

IFN-β (ng/ml)

0.173 ± 0.019

0.441 ± 0.081

 < 0.0001

Capillary density (/mm)

8.6 ± 1.13

7 ± 1.23

0.02

Capillary length (μm)

231.1 ± 13.84

276.2 ± 43.5

0.0073

Elongated capillaries (n/%)

0/0

35/66

 < 0.0001

Dilated capillaries (n/%)

0/0

13/24.5

0.015

Giant capillaries (n/%)

0/0

3/5.66

NS

Avascular area (n/%)

0/0

4/7.55

NS

Branched capillaries (n/%)

0/0

7/13.2

NS

Crossed capillaries (n/%)

0/0

18/34

0.0017

Tortuous capillaries (n/%)

0/0

30/56.6

 < 0.0001

Sluggish capillaries (n/%)

0/0

4/7.55

NS

Hemorrhages (n/%)

0/0

6/11.32

NS

  1. IL-17A interleukin 17A, IFN-α interferon alpha, IFN-β interferon beta, NS non-significant. Data were presented by mean ± standard deviation and number/percentage (n/%). P was considered significant when it was ≤ 0.05 and non-significant when more than 0.05