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Table 3 Association between peri-articular subclinical ultrasound shoulder joint lesions in RA patients and their demographic, clinical and treatment parameters

From: Predictors of subclinical shoulder joint affection in patients with rheumatoid arthritis by ultrasonography

Rheumatoid patients

RA patients (80)

p

With periarticular lesions, N (%)

Without peri-articular lesions, N (%)

χ2

Sex

Female

41 (70.7)

17 (29.3)

58

0.54

Male

14 (63.6)

8 (36.4)

22

Occupation

Non manual worker

8

6

14

0.3

Manual worker

47

16

66

Co-morbidity

Yes

14 (93.3)

1 (6.7)

15

0.04*

No

41 (63.1)

24 (36.9)

65

RF

+ ve

45 (72.5)

17 (27.5)

62

0.27

− ve

10 (55.5)

8 (44.5)

18

Anti-CCP

+ ve

36 (70.5)

15 (29.5)

51

0.82

− ve

19 (65.5)

10 (34.5)

29

NSAID

Yes

28 (68.3)

13 (31.7)

41

0.9

No

27 (69.2)

12 (30.8)

39

Steroid

Yes

51 (69)

23 (31)

74

0.73

No

4 (66.6)

2 (33.4)

6

Age (years)

Mean ± SD

49 ± 9

29 ± 8.5

U

0.001*

ESR

Mean ± SD

36 ± 23

34 ± 17

U

0.95

Disease duration (years)

Mean ± SD

4 ± 1.5

2.2 ± 1.2

U

0.001*

CRP

Mean ± SD

7.6 ± 4.2

7.8 ± 3.6

U

0.6

DAS-28

Mild

4 (40)

6 (60)

10

0.054

Moderate

44 (75.8)

14 (24.2)

58

Severe

7 (58.4)

5 (41.6)

12

  1. ESR erythrocyte sedimentation rate, CRP C-reactive protein, RF rheumatoid factor, anti-CCP anti-cyclic citrullinated peptide antibodies, DAS-28 score 28-joint count disease activity score, NSAID non-steroidal anti-inflammatory drugs, U Mann-Whitney test, χ2 chi-square test
  2. *Added values are significant at p < 0.05