Table 1.
Demographic characteristics of the study population from 2013 to 2021 (n=1,216)
| Female | Male | |||||
|---|---|---|---|---|---|---|
|
| ||||||
| Not screened (n= 622) |
Screened (n= 64) |
P value | Not screened (n=480) |
Screened (n=50) |
P value | |
| Age | 66.71 (10.32) | 67.94 (6.17) | .16 | 67.32 (10.83) | 68.15 | .54 |
| (6.2) | ||||||
| Race | .002 | .98 | ||||
| White/Caucasian | 587 (94.4) | 59 (93.7) | 443(92.5) | 44 (91.7) | ||
| Black / African American | 11 (1.8) | 2 (3.2) | 6 (1.3) | 1 (2.1) | ||
| Hispanic or Latino | 2 (0.3) | - | 2 (0.4) | - | ||
| Asian | 11 (1.8) | - | 18 (3.8) | 3 (6.2) | ||
| Native American | - | 2 (3.2) | 2 (0.4) | - | ||
| Other | 2 (0.3) | - | 2 (0.4) | - | ||
| Unknown/Declined | 9 (1.4) | - | 6 (1.25) | - | ||
| Smokers | 482 (80.33) | 60(93.8) | .022 | 397 (85.4) | 45 (100) | .01 |
| Stage | <.0001 | .005 | ||||
| 1A | 237 (38.1) | 45 (70.3) | 131(27.3) | 29 (58) | ||
| 1B | 72 (11.6) | 3 (4.7) | 69 (14.4) | 7 (14.6) | ||
| 2A | 15 (2.4) | 3 (4.7) | 21 (4.4) | 2 (4.2) | ||
| 2B | 34 (5.5) | 5 (7.8) | 41 (8.5) | 5 (10.4) | ||
| 3A | 64 (10.3) | 5 (7.8) | 59 (12.3) | 3 (6.2) | ||
| 3B | 17 (2.7) | 1 (1.6) | 16 (3.3) | 1 (2.2) | ||
| 4 | 152 (24.4) | 1 (1.6) | 119 (24.8) | - | ||
| Extensive | 21 (3.4) | - | 14 (2.9) | 1 (2.1) | ||
| Limited | 10 (1.6) | 1 (1.6) | 10 (2.1) | - | ||
| Histologic cell type | .63 | .82 | ||||
| Adenocarcinoma | 431 (70.8) | 51 (81) | 288 (60.8) | 34 (69.4) | ||
| Squamous cells carcinoma | 78 (12.8) | 5 (7.9) | 109 (23) | 8 (16.3) | ||
| Large cell carcinoma | 6 (1) | 1 (1.6) | 6 (1.3) | - | ||
| Small cell carcinoma | 31 (5.1) | 1 (1.6) | 24 (5.1) | 1 (2.1) | ||
| Bronchioalveolar carcinoma | 1 (0.2) | - | 1 (0.2) | - | ||
| Mixed type | 12 (2) | - | 8 (1.7) | 2 (4.1) | ||
| More than one primary | 4 (0.7) | 1 (1.6) | 4 (0.8) | - | ||
| NSCLC | 23 (3.8) | 1 (1.6) | 27 (5.7) | 1 (2) | ||
| Not classified | 4 (0.7) | 1 (1.6) | 1 (0.2) | 3 (6.1) | ||
| Treatment | ||||||
| Surgery | 374 (60.1) | 57 (89.1) | < .0001 | 265 (55.2) | 40 (80) | .0013 |
| Chemotherapy | 227 (36.5) | 7 (11.1) | < .0001 | 201 (41.9) | 7 (14) | <.0001 |
| Radiotherapy | 120 (19.3) | 5 (7.9) | < .0001 | 108 (22.5) | 9 (18) | .58 |
| Deaths | 111 (17.8) | 6 (9.3) | .12 | 132 (27.5) | 4 (8) | .005 |
Data are reported as No. (%) in categorical variables and mean (SD) for continuous variables; percentages may not addup to 100 due to rounding and missing values in treatment, histologic cell type, race, smoking history and stage. Age was regarded as the mean age at the moment of diagnosis.