Table 1. Demographic data of AAH/AIS, MIA, and IAC groups.
| Variables | AAH/AIS (n=55) | MIA (n=93) | IAC (n=76) | H/χ2 | P-value |
|---|---|---|---|---|---|
| Age (years) | 8.419 | 0.004 | |||
| Mean ± SD | 49.11 ± 10.28 | 51.02 ± 11.21 | 53.61 ± 11.04 | ||
| Sex | 1.041 | 0.594 | |||
| Male | 19 (34.55%) | 25 (26.88%) | 24 (34.29%) | ||
| Female | 36 (65.45%) | 68 (73.12%) | 52 (65.71%) | ||
| Smoking history | 0.997 | 0.607 | |||
| Yes | 4 (7.27%) | 6(6.45%) | 8 (10.52%) | ||
| No | 51 (92.73%) | 87 (93.55%) | 68 (89.47%) | ||
| Family history of lung cancer | 0.344 | 0.842 | |||
| Yes | 7 (12.73%) | 15 (16.13%) | 12 (15.79%) | ||
| No | 48 (87.27%) | 78 (83.87%) | 64 (84.21%) |
Abbreviation: SD, standard deviation.