Table 3 Correlation between CAC counts and PNAIDS with other Categorical variables
Variables | CAC counts < 3 (n = 36) | CAC counts ≥ 3 (n = 57) | x2 a | P | PNAIDS < 70% (n = 34) | PNAIDS ≥ 70% (n = 59) | x2 a | P |
|---|---|---|---|---|---|---|---|---|
Gender, n (%) | 0.152 | 0.697 | 1.431 | 0.232 | ||||
Male | 16 (44.4%) | 23 (40.4%) | 17 (50.0%) | 22 (37.3%) | ||||
Female | 20 (55.6%) | 34 (59.6%) | 17 (50.0%) | 37 (62.7%) | ||||
Family history of cancer, n (%) | 0.207 | 0.649 | 0.431 | 0.512 | ||||
Yes | 7 (19.4%) | 9 (15.8%) | 7 (20.6%) | 9 (15.3%) | ||||
No | 29 (80.6%) | 48 (84.2%) | 27 (79.4%) | 50 (84.7%) | ||||
Type of nodule, n (%) | 0.224 | 0.894 | 6.692 | 0.035 | ||||
Solid nodule | 15 (41.7%) | 21 (36.8%) | 19 (55.9%) | 17 (28.8%) | ||||
pure GGN | 12 (33.3%) | 21 (36.8%) | 9 (26.5%) | 24 (40.7%) | ||||
mixed GGN | 9 (25.0%) | 15 (26.3%) | 6 (17.6%) | 18 (30.5%) | ||||
Solitary nodule, n (%) | 0.075 | 0.784 | 0.348 | 0.555 | ||||
Yes | 13 (36.1%) | 19 (33.3%) | 13 (38.2%) | 19 (32.2%) | ||||
No | 23 (63.9%) | 38 (66.7%) | 21 (61.8%) | 40 (67.8%) | ||||
Spiculation, n (%) | 0.317 | 0.573 | 2.494 | 0.114 | ||||
Yes | 26 (72.2%) | 38 (66.7%) | 20 (58.8%) | 44 (74.6%) | ||||
No | 10 (27.8%) | 19 (33.3%) | 14 (41.2%) | 15 (25.4%) | ||||
Location of nodule, n (%) | 1.953 | 0.162 | 2.547 | 0.110 | ||||
Upper lobe | 26 (72.2%) | 33 (57.9%) | 18 (52.9%) | 41 (69.5%) | ||||
Non-upper lobe | 10 (27.8%) | 24 (42.1%) | 16 (47.1%) | 18 (30.5%) | ||||