Table 1 Clinical and laboratory findings in our study population. Values are presented as mean ± SD or frequency (percent) when appropriate
Variable | All patients (n = 114) | Patients with retinopathy (n = 18) | Patients without retinopathy (n = 96) | P value |
|---|---|---|---|---|
Age (years) | 31.4 ± 9.5 | 28.1 ± 10.3 | 32 ± 9.2 | 0.08 |
Female gender | 99 (87) | 16 (89) | 83 (86) | 0.77 |
Clinical findings | ||||
 Fever | 18 (16) | 4 (22) | 14 (15) | 0.41 |
 Headache | 7 (6) | 2 (11) | 5 (5) | 0.33 |
 CVA | 2 (2) | 0 (0) | 2 (2) | 0.7 |
 Psychosis/delirium | 1 (1) | 1 (6) | 0 (0) | 0.15 |
 Seizure | 21 (18) | 4 (22) | 17 (18) | 0.65 |
 Oral ulcers | 12 (11) | 4 (22) | 8 (8) | 0.07 |
 Rash | 66 (58) | 11 (61) | 55 (57) | 0.76 |
 Vasculitis | 15 (13) | 2 (11) | 13 (13) | 0.78 |
 Arthritis | 88 (77) | 14 (78) | 74 (77) | 0.94 |
 Myositis | 3 (3) | 0 (0) | 3 (3) | 0.44 |
Laboratory findings | ||||
 WBC count | 6505 ± 3053 | 5559 ± 2971 | 6683 ± 3051 | 0.15 |
 Hemoglobin (mg/dl) | 10.8 ± 1.8 | 10 ± 2.1 | 11 ± 1.8 | 0.01 |
 Platelet count | 2.14*105 ± 1.16*105 | 2.46*105 ± 1.38*105 | 2.09*105 ± 1.12*105 | 0.24 |
 ESR (mm/hr) | 44.5 ± 27.5 | 53 ± 24 | 43 ± 28 | 0.14 |
 CRP (mg/L) | 13.6 ± 31.5 | 33 ± 70 | 10 ± 15 | 0.65 |
 Serum creatinine (mg/dl) | 0.80 ± 0.27 | 0.91 ± 0.31 | 0.79 ± 0.27 | 0.475 |
 Urinalysis | ||||
  Proteinuria (mg/g) | 773 ± 308 | 905 ± 350 | 749 ± 295 | 0.18 |
  Casts | 8 (7) | 4 (22) | 4 (14) | 0.006 |
 AST | 42.1 ± 60.6 | 64 ± 66 | 38 ± 59 | 0.056 |
 ALT | 42.7 ± 75.8 | 52 ± 71 | 41 ± 77 | 0.053 |
 Anti-Cardiolipin Ab | 14.8 ± 25.0 | 14 ± 20 | 15 ± 26 | 0.29 |
 ANA | 4.6 ± 0.95 | 5.7 ± 1.1 | 4.5 ± 0.8 | 0.01 |
 Anti-dsDNA | 77.0 ± 22.5 | 109 ± 22 | 71 ± 17 | 0.04 |
 Serum C3 | 80.2 ± 18.5 | 55 ± 15 | 85 ± 15 | 0.001 |
 Serum C4 | 77.6 ± 33.2 | 12 ± 10 | 90 ± 18 | 0.03 |
SLE DAI | 12.7 ± 7.4 | 22 ± 7.9 | 11 ± 6 | < 0.001 |