Table 3

Stage distribution of screening-detected lung cancers of all rounds

Round 1p Value*Round 2p Value†Round 3p Value‡Round 4
nPer centCumulative %nPer centCumulative %nPer centCumulative %nPer centCumulative %
0.370.020.10
Stage
 Ia4459.559.54374.174.15064.964.92247.847.8
 Ib45.464.911.775.967.872.7613.060.9
 IIa79.574.346.982.876.636.567.4
 IIb33.948.776.1
 IIIa1013.587.8610.393.11418.294.836.582.6
 IIIb45.493.223.496.611.396.124.387.0
 IV56.810023.410033.9100613.0100
Total74100581007710046100
  • *p Value: comparison of stage distribution of the screening-detected lung cancers of round 1 vs round 4.

  • †p Value: comparison of stage distribution of the screening-detected lung cancers of round 2 vs round 4.

  • ‡p Value: comparison of stage distribution of the screening-detected lung cancers of round 3 vs round 4.