Table 1.
Characteristics of patients with non–small cell lung cancer, by presence of idiopathic pulmonary fibrosis
| Characteristic | Entire Cohort (N = 54,453) | No IPF (n = 53,598) | IPF (n = 855) |
|---|---|---|---|
| Age, yr, median (IQR) | 74 (69–80) | 74 (69–80) | 76 (71–81) |
| Male sex, n (%) | 28,621 (53) | 28,106 (52) | 515 (60) |
| Race/ethnicity, n (%) | |||
| White | 44,707 (82) | 43,988 (82) | 719 (84) |
| Black | 5,038 (9) | 4,979 (10) | 59 (7) |
| Hispanic | 2,004 (4) | 1,970 (4) | 34 (4) |
| Other | 2,704 (5) | 2,661 (5) | 43 (5) |
| Married, n (%) | 27,555 (51) | 27,078 (51) | 477 (56) |
| Median annual income quartile, n (%) | |||
| First (lowest) | 14,277 (26) | 14,091 (27) | 186 (22) |
| Second | 13,569 (25) | 13,343 (25) | 226 (27) |
| Third | 12,934 (24) | 12,730 (24) | 204 (24) |
| Fourth (highest) | 13,095 (24) | 12,861 (24) | 234 (28) |
| Comorbidity score, n (%) | |||
| 0 | 26,442 (49) | 26,191 (49) | 251 (29) |
| 1–2 | 20,079 (37) | 19,688 (37) | 391 (46) |
| >2 | 7,932 (15) | 7,719 (14) | 213 (25) |
| Indicators of poor functional status | |||
| Nursing home or home health services | 7,608 (14) | 7,480 (14) | 128 (15) |
| Supplemental oxygen | 4,085 (8) | 3,933 (7) | 152 (18) |
Definition of abbreviations: IPF = idiopathic pulmonary fibrosis; IQR = interquartile range.