Table 1.
Characteristics of non-Small Cell Lung Cancer Patients by Year of Diagnosis, Patterns of Care (N=3,318)
| 1996 | 2005 | 2010 | ||
|---|---|---|---|---|
| (N=906) | (N=1,061) | (N=1,351) | ||
| Characteristic | N1 (%)2 | N1 (%)2 | N1 (%)2 | p3 |
| Sex | ||||
| Male | 498 (56) | 560 (53) | 681 (53) | 0.67 |
| Female | 408 (44) | 501 (47) | 670 (47) | |
| Age at diagnosis, years | ||||
| <70 | 574 (59) | 609 (51) | 800 (55) | <0.01 |
| 70–79 | 259 (31) | 312 (32) | 354 (28) | |
| ≥80 | 73 (10) | 140 (16) | 197 (17) | |
| Race/ethnicity | ||||
| non-Hispanic white | 416 (84) | 335 (75) | 364 (74) | 0.644 |
| non-Hispanic black | 303 (11) | 300 (12) | 345 (12) | |
| non-Hispanic other | 0 | 225 (8) | 364 (8) | |
| Hispanic | 187 (5) | 201 (6) | 278 (7) | |
| Health insurance | ||||
| Other (Private/HMO/VA) | 584 (72) | 604 (65) | 776 (64) | <0.01 |
| Medicaid, any | 141 (9) | 253 (14) | 315 (16) | |
| Medicare only | 128 (15) | 155 (17) | 182 (16) | |
| None/Unknown | 53 (4) | 49 (3) | 78 (4) | |
| Marital status | ||||
| Married | 468 (57) | 558 (56) | 646 (47) | <0.01 |
| Not married/Unknown | 438 (43) | 503 (44) | 705 (53) | |
| COPD | ||||
| No | 297 (37) | 339 (36) | 478 (42) | 0.22 |
| Yes | 609 (63) | 722 (64) | 873 (58) | |
| Charlson comorbidity score5 | ||||
| 0 | 702 (78) | 797 (75) | 936 (71) | 0.02 |
| 1 | 173 (19) | 209 (19) | 328 (23) | |
| ≥2 | 31 (3) | 55 (7) | 87 (7) | |
| Smoking History | ||||
| Never Smoker | 69 (7) | 168 (11) | 247 (12) | <0.01 |
| Ever Smoker | 762(86) | 812 (80) | 1036 (83) | |
| Unknown | 75 (7) | 81 (9) | 68(5) | |
| Tumor Characteristics | ||||
| Stage6 | ||||
| I/II | 245 (31) | 270 (28) | 321 (26) | 0.01 |
| IIIA | 112 (12) | 84 (7) | 117 (8) | |
| IIIB/IV | 549 (57) | 707 (65) | 913 (66) | |
| Histology | ||||
| Squamous cell | 245 (25) | 231 (21) | 327 (28) | <0.01 |
| Adenocarcinoma | 377 (45) | 484 (43) | 721 (49) | |
| Carcinoma, NOS | 213 (23) | 298 (30) | 262 (20) | |
| Large cell | 71 (7) | 48 (5) | 41 (3) |
1
Unweighted number of patients
2
Weighted percentage of patients
3
Χ2 across years
4
Χ2 across 2005/2010 only
5
Charlson comorbidity score, excluding lung cancer and COPD from the calculation.
6
American Joint Committee on Cancer (1996: 3rd Edition; 2005 and 2010: 6th Edition)
COPD: Chronic Obstructive Pulmonary Disease; NOS: not otherwise specified; VA: Veteran Affairs