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Table 2 Failure patterns in the small and large ENLN groups of NPC patients

From: Clinical treatment considerations in the intensity-modulated radiotherapy era for patients with N0-category nasopharyngeal carcinoma and enlarged neck lymph nodes

Failure pattern Small ENLN group [cases (%)] Large ENLN group [cases (%)] P valuea
Local recurrence 0 (0) 10 (6.0) 0.049
Regional recurrence 2 (2.3) 0 (0) 0.217
Total locoregional failure 2 (2.3) 10 (6.0) 0.328
Distant metastasis 2 (2.3) 10 (6.0) 0.328
Total death 3 (3.5) 9 (5.4) 0.725
Total failure 5 (5.9)b 17 (10.2)c 0.248
  1. a P values were calculated using Chi square test or Fisher exact test if indicated
  2. bOne patient died without disease recurrence and distant metastasis
  3. cThree patients experienced both local and distant failure