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Table 2 Mean and range of serum levels of protein C, protein S, and anti-thrombin III and comparison between both groups

From: Association between blood coagulability and migraine

Variable Group I (patients) Group II (controls) p value
Protein C (IU/dl)    0.411
 Mean ± SD 84.06 ± 25.58 87.60 ± 13.21
 Range 29.00–174.00 49.00–113.00
Protein S (IU/dl)    0.009**
 Mean ± SD 84.77 ± 11.68 102.83 ± 34.37
 Range 45.00–155.00 68.00–124.00
Anti-thrombin III (IU/dl)    0.024*
 Mean ± SD 96.20 ± 12.45 103.09 ± 10.75
 Range 56.00–120.00 82.00–124.00
  1. SD standard deviation
  2. *Significant; **highly significant
  3. *Statistically significant at p ≤ 0.05