Table 1.
Pre-Operative Demographics and Clinical Characteristics
| Unsuspected N2 (N=2,047) | Suspected N2 (N=2,302) | p-value | |
|---|---|---|---|
| Patient Age | <0.01 | ||
| Mean (SD) | 66.4 (10.3) | 61.7 (9.7) | |
| Median, IQR | 67 (60,74) | 62 (55,69) | |
| Sex, n (%) | <0.01 | ||
| Male | 939 (45.9%) | 1,191 (51.7%) | |
| Female | 1,108 (54.1%) | 1,111 (48.3%) | |
| Race, n (%) | 0.22 | ||
| White | 1,795 (87.7%) | 2,050 (89.1%) | |
| Black | 157 (7.7%) | 168 (7.3%) | |
| Other | 95 (4.6%) | 84 (3.7%) | |
| Charlson/Deyo Score, n (%) | <0.01 | ||
| 0 | 600 (58.5%) | 1,010 (71.4%) | |
| 1 | 325 (31.7%) | 335 (23.7%) | |
| 2 | 100 (9.8%) | 70 (5.0%) | |
| Insurance Status, n (%) | <0.01 | ||
| Uninsured | 26 (1.3%) | 42 (1.9%) | |
| Private | 808 (40.3%) | 1,179 (52.5%) | |
| Medicare/aid | 1,093 (54.5%) | 907 (40.4%) | |
| Other Government | 69 (3.4%) | 92 (4.1%) | |
| Unknown | 11 (0.6%) | 24 (1.1%) | |
| Clinical T Status, n (%) | <0.01 | ||
| 1 | 988 (48.3%) | 670 (29.1%) | |
| 2 | 1,010 (49.3%) | 1,282 (55.7%) | |
| 3 | 49 (2.4%) | 350 (15.2%) | |
| Facility Type, n (%) | 0.02 | ||
| Community Cancer Program | 163 (8.0%) | 161 (7.0%) | |
| Comprehensive Community Cancer Program | 965 (47.1%) | 1,138 (49.4%) | |
| Academic/Research Program | 854 (41.7%) | 959 (41.7%) | |
| Other specified types of cancer programs | 65 (3.2%) | 44 (1.9%) | |
| Histology, n (%) | <0.01 | ||
| Adenocarcinoma | 1,194 (58.4%) | 1,015 (44.1%) | |
| Squamous | 388 (19.0%) | 602 (26.2%) | |
| Large cell | 100 (4.9%) | 139 (6.0%) | |
| Bronchioalveloar | 123 (6.0%) | 45 (2.0%) | |
| Neuroendocrine | 30 (1.5%) | 11 (0.5%) | |
| Other | 209 (10.2%) | 489 (21.3%) |
* P values provided are from Wilcoxon Rank Sum test on continuous variables and from Chi-square test on categorical variables.