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Table 2:

Comparison of the incidence of uncommon pathway of segmental arteries

High-Level Segmental Arteries (from T8 to L1)Low-Level Segmental Arteries (from L2 to L4)
Common pathway (zones B and C)443 (95.5%)211 (87.5%)
Uncommon pathway (zones A and D)a21 (4.5%)30 (12.5%)
  • a P < .05, Pearson χ 2 test.