only marginally significantp =0.063
In addition, higher N stage was observed in the short-waiting group (N0/N1/N2=30 (31.9%)/44 (46.8%)/20 (21.3%)) than the long-waiting group (N0/N1/N2=44 (48.9%)/31 (34.4%)/15 (16.7%)), although the difference was only marginally significant ( p =0.063).