an increasing trendP < 0.001
However, post-2015 patients were more likely to be pathologic node-negative (69.8% vs 41.6%, P < 0.001) ( Table 1 ). National trends The Cochran–Armitage test showed that there was an increasing trend for lobectomy from 2004 to 2018 ( P < 0.001), with an overall increase from 11.6% in 2004–2015 to 18.9% in 2016–2018 ( P < 0.001).