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Table 3 Overall survival and lung cancer-specific survival in patients with stage IA non–small-cell lung cancer ≤1 cm and > 1 to 2 cm groups

From: Surgical choice for patients with stage I non-small-cell lung cancer ≤2 cm: an analysis from surveillance, epidemiology, and end results database

Variables NSCLC ≤1 cm NSCLC > 1 to 2 cm
Overall survival Lung cancer-specific survival Overall survival Lung cancer-specific survival
HR (95%) P HR (95%) P HR (95%) P HR (95%) P
Wedge vs. seg 1.52 (1.13–2.04) 0.016 1.40 (0.93–2.11) 0.150 1.52 (1.13–2.04) 0.016 1.51 (1.27–1.80) < 0.001
Wedge vs. lob without LND 1.25 (1.03–1.52) 0.025 1.24 (0.95–1.63) 0.121 1.63 (1.49–1.78) < 0.001 1.64 (1.44–1.87) < 0.001
Wedge vs. lob with LND 1.76 (1.49–2.07) < 0.001 1.75 (1.40–2.21) < 0.001 1.90 (1.74–2.06) < 0.001 1.89 (1.69–2.12) < 0.001
Wedge vs. lob 1.59 (1.36–1.86) < 0.001 1.58 (1.27–1.96) < 0.001 1.82 (1.68–1.97) < 0.001 1.82 (1.63–2.03) < 0.001
Seg vs. lob without LND 0.82 (0.58–1.16) 0.287 0.84 (0.53–1.36) 0.513 1.16 (1.00–1.36) 0.041 1.08 (0.88–1.33) 0.460
Seg vs. lob with LND 1.15 (0.79–1.67) 0.414 1.24 (0.75–2.07) 0.360 1.35 (1.15–1.57) < 0.001 1.26 (1.02–1.56) 0.018
Seg vs. lobe 1.05(0.74–1.48) 0.798 1.11(0.69–1.80) 0.642 1.29 (1.11–1.50) < 0.001 1.20(0.98–1.48) 0.005
Lob without LND vs. with LND 1.40 (1.12–1.74) 0.001 1.41 (1.04–1.91) 0.018 1.15 (1.06–1.24) < 0.001 1.15 (1.02–1.29) 0.012
  1. Abbreviations: seg Segmentectomy, lob Lobectomy, LND Lymph node dissection