Table 1. Demographics of study population stratified by FD status.
| Characteristics | FD status1 | ||
|---|---|---|---|
| Yes (n=23) | No (n=55) | P value2 | |
| Age (years), mean (SD) | 64.0 (7.4) | 64.9 (8.5) | 0.66 |
| Male, n (%) | 20 (87.0) | 46 (83.6) | >0.99 |
| Caucasian, n (%) | 23 (100.0) | 54 (98.2) | NA |
| Smoking status3, n (%) | 0.65 | ||
| Never | 8 (34.8) | 13 (23.6) | |
| Former | 10 (43.5) | 29 (52.7) | |
| Current | 5 (21.7) | 13 (23.6) | |
| Pack-years, mean (SD) | 42.9 (24.6) | 49.2 (38.8) | 0.56 |
| Alcohol use, n (%) | 0.59 | ||
| None | 6 (26.1) | 16 (29.1) | |
| Current use4 | 11 (47.8) | 22 (40.0) | |
| Current heavy use5 | 1 (4.4) | 0 | |
| Prior use4 | 0 | 2 (3.6) | |
| Prior heavy use5 | 5 (21.7) | 15 (27.3) | |
| Comorbidities, n (%) | |||
| Asthma | 2 (8.7) | 5 (9.1) | >0.99 |
| Chronic obstructive pulmonary disease | 3 (13.0) | 5 (9.1) | 0.69 |
| Hypertension | 11 (47.8) | 26 (47.3) | >0.99 |
| Coronary artery disease | 4 (17.4) | 7 (12.7) | 0.72 |
| Myocardial infarction | 0 | 2 (3.6) | >0.99 |
| Diabetes | 7 (31.8) | 17 (30.9) | >0.99 |
| Cerebrovascular accident | 0 | 3 (5.5) | 0.68 |
| Pre-treatment ECOG performance status, n (%) | 0.04 | ||
| 0 | 13 (56.5) | 16 (29.1) | |
| 1 | 10 (43.5) | 39 (70.9) | |
| Pre-treatment BMI (kg/m2), mean (SD) | 28.2 (6.1) | 29.3 (5.1) | 0.41 |
| Pre-treatment psoas muscle index6 (mm2/m2), mean (SD) | |||
| Male | 818.8 (217.8) | 803.2 (294.4) | 0.83 |
| Female | 652.9 (87.8) | 486.07 (106.6) | 0.04 |
| Pre-treatment sarcopenia7, n (%) | |||
| Male | 2 (10.0) | 7 (15.2) | 0.71 |
| Female | 0 | 1 (11.1) | >0.99 |
| Clinical stage, n (%) | 0.38 | ||
| II | 2 (2.9) | 12 (21.8) | |
| III | 15 (65.2) | 30 (54.5) | |
| IV | 6 (26.1) | 13 (23.6) | |
| Driving distance to hospital (km), mean (SD) | 112.3 (45.4) | 106.5 (41.7) | 0.59 |
| Median household income8 (dollars), median (interquartile range) | 48,212 (39,504–56,307) | 55,556 (45,229–68,240) | 0.10 |
| Insurance status, n (%) | >0.99 | ||
| Medicare, military, commercial | 21 (91.3) | 50 (90.9) | |
| Medicaid, none | 2 (8.7) | 5 (9.1) | |
1, as defined by the USDA; 2, P values from Student’s t-test, Wilcoxon rank-sum, or Fisher’s exact test where appropriate; 3, classified at the time of first consultation with a thoracic surgeon; 4, ≤7 drinks per week for females, ≤14 drinks per week for males; 5, >7 drinks per week for females, >14 drinks per week for males; 6, psoas muscle index as defined by psoas muscle area normalized for height; 7, as defined by sex-specific cutoffs; 8, by zip code, as reported by the United States Census Bureau. FD, food desert; SD, standard deviation; ECOG, Eastern Cooperative Oncology Group; BMI, body mass index; NA, not applicable; USDA, United States Department of Agriculture.