Table 2.
Descriptive Characteristics of US Counties According to Quartile of County Level Percent Receipt of Surgery for Patients Diagnosed With Early-Stage Non-small Cell Lung Cancer
| Characteristic | Total |
County-Level Percent Receipt of Surgery Quartile |
P Value | |||
|---|---|---|---|---|---|---|
| < 55.6 |
55.6 to < 62.5 |
62.5 to < 69.1 |
≥ 69.1 |
|||
| (N = 1,284) | (n = 317) | (n = 314) | (n = 332) | (n = 321) | ||
| Percent NH black subjects, quartile | ||||||
| < 1.1 | 315 (24.5) | 86 (27.1) | 71 (22.6) | 76 (22.9) | 82 (25.5) | < .007 |
| 1.1 to < 3.7 | 321 (25.0) | 60 (18.9) | 79 (25.2) | 90 (27.1) | 92 (28.7) | |
| 3.7 to < 13.0 | 325 (25.3) | 77 (24.3) | 76 (24.2) | 80 (24.1) | 92 (28.7) | |
| ≥ 13.0 | 323 (25.2) | 94 (29.7) | 88 (28.0) | 86 (25.9) | 55 (17.1) | |
| Surgeon-to-population ratio, quartilea | ||||||
| < 6.8 | 324 (25.2) | 89 (28.1) | 82 (26.1) | 77 (23.2) | 76 (23.7) | < .26 |
| 6.8 to < 13.1 | 321 (25.0) | 81 (25.6) | 82 (26.1) | 82 (24.7) | 76 (23.7) | |
| 13.1 to < 20.9 | 320 (24.9) | 83 (26.2) | 64 (20.4) | 82 (24.7) | 91 (28.3) | |
| ≥ 20.9 | 319 (24.8) | 64 (20.2) | 86 (27.4) | 91 (27.4) | 78 (24.3) | |
| Hospital bed-to-population ratio, quartileb | ||||||
| < 230.7 | 321 (25.0) | 73 (23.0) | 75 (23.9) | 85 (25.6) | 88 (27.4) | < .09 |
| 230.7 to < 420.4 | 321 (25.0) | 78 (24.6) | 65 (20.7) | 90 (27.1) | 88 (27.4) | |
| 420.4 to < 701.8 | 321 (25.0) | 70 (22.1) | 90 (28.7) | 82 (24.7) | 79 (24.6) | |
| ≥ 701.8 | 321 (25.0) | 96 (30.3) | 84 (26.8) | 75 (22.6) | 66 (20.6) | |
| Percent people without insurance, quartilec | ||||||
| < 17.1 | 317 (24.7) | 49 (15.5) | 64 (20.4) | 95 (28.6) | 109 (34.0) | < .0001 |
| 17.1 to < 21.4 | 320 (24.9) | 66 (20.8) | 90 (28.7) | 80 (24.1) | 84 (26.2) | |
| 21.4 to < 24.8 | 316 (24.6) | 84 (26.5) | 89 (28.3) | 72 (21.7) | 71 (22.1) | |
| ≥ 24.8 | 331 (25.8) | 118 (37.2) | 71 (22.6) | 85 (25.6) | 57 (17.8) | |
| Percent below poverty level | ||||||
| < 5.0 | 6 (0.5) | 0 (0) | 2 (0.6) | 1 (0.3) | 3 (0.9) | < .0001d |
| 5.0-9.99 | 108 (8.4) | 12 (3.8) | 21 (6.7) | 28 (8.4) | 47 (14.6) | |
| 10.0-19.99 | 809 (63.0) | 183 (57.7) | 201 (64.0) | 215 (64.8) | 210 (65.4) | |
| ≥ 20.0 | 361 (28.1) | 122 (38.5) | 90 (28.7) | 88 (26.5) | 61 (19.0) | |
| Urban/rural status | ||||||
| Rural | 46 (3.6) | 9 (2.8) | 11 (3.5) | 13 (3.9) | 13 (4.1) | < .008 |
| Urban | 534 (41.8) | 163 (51.4) | 129 (41.1) | 122 (36.7) | 123 (38.3) | |
| Metro | 701 (54.6) | 145 (45.7) | 174 (55.4) | 197 (59.3) | 185 (57.6) | |
Data are presented as No. (%). See Table 1 legend for expansion of abbreviation.
a
Calculated by dividing the total number of surgeons (general surgeons and thoracic surgeons) by the total population aged ≥ 35 years in the county during the 2010 US Census.
b
Calculated by dividing the total number of hospital beds in the county in 2010 by the total population aged ≥ 35 years in the county during the 2010 US Census.
c
Percentage of people without insurance among the population aged 18 to 64 years in 2013.
d
Fisher exact test.