Table 1. Baseline characteristics of the entire study sample and according to insurance type.
| Characteristic | Total | Private Insurance |
Medicare | Indigent | Overall P value |
|---|---|---|---|---|---|
| Number of Patients | 450 | 124 | 195 | 131 | <0.001 |
| Age, years, mean ± SD | 63.9 ±10.9 | 58.9 ±8.3 | 72.0 ±7.1 | 57.7 ±10.4 | |
| Gender, no. (%) | |||||
| Male | 234 (52) | 53 (43) | 107(55) | 74 (56) | 0.05 |
| Female | 216(48) | 71 (57) | 88 (45) | 57 (44) | |
| Race, no. (%) | |||||
| White, non-Hispanic | 284 (63) | 82 (66) | 147(75) | 54 (41) | <0.001 |
| Other | 166(37) | 42 (34) | 48 (25) | 77 (59) | |
| Stage, no. (%) | |||||
| Stage I | 194(43) | 52 (42) | 107(55) | 35 (27) | <0.001 |
| Stage II | 53(12) | 23(18) | 16(8) | 14(11) | |
| Stage III | 203 (45) | 49 (40) | 72 (37) | 82 (63) | |
| Histology, no. (%) | |||||
| Adenocarcinoma | 218(48) | 72 (58) | 79 (40) | 46 (35) | <0.001 |
| Squamous Cell | 158(35) | 33 (27) | 95 (49) | 51 (39) | |
| Other * | 74(17) | 19(16) | 21 (11) | 34 (26) |
*
Includes patients with large cell, adenosquamous or unspecified