| Headache group n = 100 | Non headache group n = 79 | Test | P value | ||
---|---|---|---|---|---|---|
 | Mean ± SD | Mean ± SD |  | |||
Age (years) | 29.45 ± 8.6 | 28.8 ± 9.7 | 0.5 | 0.6 | ||
Age of onset | 26.8 ± 8.9 | 26.6 ± 8.7 | 0.3 | 0.9 | ||
Duration of the disease | 2.6 ± 2.3 | 2.7 ± 2.1 | 0.2 | 0.8 | ||
Systolic BP | 120.4 ± 15.5 | 122.9 ± 16.1 | 0.8 | 0.3 | ||
Diastolic BP | 77.6 ± 10.5 | 79.3 ± 10.7 | 0.1 | 0.7 | ||
 | n | % | n | % |  | |
Female | 91 | 91 | 71 | 73.2% | 0.01 | 0.9 |
Male | 9 | 9% | 8 | 26.8% | ||
Mucocutenous | 91 | 91% | 79 | 100% | 0.01 | 0.9 |
Serositis | 26 | 26% | 23 | 29.1% | 0.2 | 0.7 |
Lupus nephritis | 64 | 64% | 43 | 54.4% | 1.6 | 0.2 |
CNS affection (other than headache) | 7% | 7% | 2 | 2.5% | 1.8 | 0.3 |
Arthritis | 59 | 59% | 47 | 59.4% | 0.04 | 0.9 |
aPL positivity | 34 | 34% | 28 | 35.4% | 0.04 | 0.8 |
Anti-cardiolipins | 31 | 31% | 26 | 32.9% | 0.07 | 0.7 |
ANA positive | 100 | 100% | 100 | 100% | ……. | ……. |
Creatinine | 1.1 ± 0.9 | 1.2 ± 1.0 | 0.7 | 0.4 | ||
Anti-ds DNA | 256.5 ± 323.4 | 202.6 ± 201.8 | 1.2 | 0.1 | ||
UPCR (g protein\mg creat) | 1.7 ± 2.6 | 2.1 ± 2.8 | 0.6 | 0.4 | ||
SLEDAI | 6.1 ± 5.7 | 2.7 ± 1.3 | 5.1 | < 0.0001* |