Research Article
The Pattern of Juvenile Idiopathic Arthritis in a Single Tertiary Center in Saudi Arabia
Table 4
Main laboratory investigation.
| | | Anemia
Hb < 110 g/L (%) | Leukocytosis
WBC > 11 × 109/L (%) | Elevated PLT 450 × 109/L (%) | Elevated ESR > 20 mm/hr (%) | Elevated CRP > 3 mg/L (%) | Positive ANA (%) | Positive RF | Positive HLA B27 (%) |
| | Systemic onset (number = 30) | 24 (80) | 21 (70) | 21 (70) | 24 (85.71) | 22 (73.33) | 4 (13.33) | 0 | ND |
| | oligoarticular (number = 23) | 9 (39.13) | 4 (17.4) | 3 (17.64) | 7 (30.43) | 5 (21.74) | 12 (52.17) | 0 | ND |
| | Polyarticular RF-negative (number = 20) | 12 (60) | 6 (30) | 7 (35) | 10 (50) | 4 (25) | 9 (45) | 0 | ND |
| | Polyarticular RF-positive (number = 4) | 3 (75) | 1 (25) | 1 (25) | 2 (50) | 1 (25) | 2 (520) | 4 (100) | ND |
| | Enthesitis related (number = 1) | 0 | 0 | 0 | 1 (100) | 1 (100) | 0 | 0 | 1 (100) |
| | Psoriatic (number = 4) | 1 (25) | 1 (25) | 1 (25) | 1 (25) | 0 | 1 (25) | 0 | ND |
| | Total (number = 82) | 49 (59.75) | 33 (40.24) | 31 (37.8) | 45 (54.87) | 33 (40.24) | 30 (36.58) | 4 (4.87) | 1 (1.2) |
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ND: not done.
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