Skip to main content

Table 3 Lymph node ratio

From: Results of a randomized controlled trial of level IIb preserving neck dissection in clinically node-negative squamous carcinoma of the oral cavity

Level IIb sparing Control group
Harvested Positive Ratio (%) Harvested Positive Ratio (%)
Level Ia 36 0 0 62 0 0
Level Ib 66 1 1.5 95 3 3.1
Level IIa 92 1 1 142 0 0
Level IIb 123 0 0
Level III 52 0 0 115 0 0
Total 259 2* 0.77 561 3* 0.53
  1. *All patients were clinically N0, and only 3 patients had 5 positive nodes