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Table 3 Comparison between group 1 and group 2 patients as regard to age, gender, consanguinity, disease duration, and family history showing results as p value

From: Articular manifestations in Egyptian children with familial Mediterranean fever

 

Group 1 (n = 41)

Group 2 (n = 159)

P value

Gendera

F

18 (43.9%)

86 (54.1%)

0.244

M

23 (56.1%)

73 (45.9%)

Consanguinitya

 

14 (34.1%)

54 (34.0%)

0.982

Age at time of study (years)c

Mean ± SD

10.95 ± 3.11

9.73 ± 3.53

0.023

Age at onset of FMF (years)c

Mean ± SD

3.48 ± 2.27

4.69 ± 2.95

0.031

Age at diagnosis(years)c

Mean ± SD

5.46 ± 2.65

6.45 ± 3.15

0.113

Disease duration(years)c

Mean ± SD

7.48 ± 2.88

5.04 ± 3.08

< 0.001

Family history of FMFa

 

15 (36.6%)

61 (38.4%)

0.834

Family history of other autoimmune diseaseb

 

4 (9.8%)

22 (13.8%)

0.488

Type of autoimmune disease in the family historyb

SLE

0 (0.0%)

6 (27.3%)

0.788

Rheumatoid arthritis

1 (25.0%)

5 (22.7%)

Rheumatic fever

3 (75.0%)

8 (36.4%)

Type 1 DM

0 (0.0%)

3 (13.6%)

  1. N number, SD standard deviation, FMF familial Mediterranean fever, SLE systemic lupus erythematosus, DM diabetes mellitus
  2. aChi-squared test
  3. bFisher’s exact test
  4. cMann-Whitney test