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. Author manuscript; available in PMC: 2017 Aug 1.
Published in final edited form as: Ann Thorac Surg. 2016 Jun 2;102(2):363–369. doi: 10.1016/j.athoracsur.2016.03.095

Table 4.

Number of lymph nodes examined and discovery of unexpected N2 disease.

Discovery of N2 disease
OR 95% CI P
Mediastinal stations (2–9) 1.04 0.99–1.09 0.079
Hilar (10) 1.03 0.84–1.27 0.79
Non-hilar N1 (11–14) 1.09 0.99–1.19 0.077
N1 (10–14) 1.06 0.98–1.15 0.13
All stations (2–14) 1.04 1.0–1.07 0.041

17 N2 subjects