Table 1– Participants’ characteristics and comparison stratified by baseline scan result
CharacteristicsAll screened participantsBaseline scan result negativeBaseline scan result indeterminateBaseline scan result positivep-value
Participants758259861451120
Females1254 (16.5)1016 (17.0)210 (14.5)22 (18.3)0.06
Age years median (IQR)58.0 (8)57.0 (8)59.0 (8)63.0 (10)<0.001
Current smoker4215 (55.6)3315 (55.4)809 (55.8)68 (56.7)0.94
Pack-years median (IQR)37.8 (19.8)38.0 (19.8)38.7 (19.8)38.7 (24.0)<0.001
  • Data are presented as n or n (%), unless otherwise stated. IQR: interquartile range.