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Table 5 The summary for the analysis of correlations between GTD and TV and the extent of lymph node metastases by total cases and subgroups

From: Tumor volume is more reliable to predict nodal metastasis in non-small cell lung cancer of 3.0 cm or less in the greatest tumor diameter

TV-N P value P value (total) GTD-N P value P value (total)
≤ 0.9 cm3 0.945 0.010 ≤ 1.0 cm 0.355 0.063
0.9–3.9 cm3 0.020 1.0–2.0 cm 0.667
3.9–14.2 cm3 0.020 2.0–3.0 cm 0.643