Table 2. Baseline demographics and clinical characteristics for high grade (p)T1N0 (≤2 cm) NSCLC and comparison between segmentectomy and lobectomy groups for propensity matched cohort.
| Characteristics | Lobectomy | Segmentectomy | P value |
|---|---|---|---|
| Age, mean (years) | 68.75 | 69.25 | 0.62 |
| Sex, n (%) | 0.07 | ||
| Male | 133 (41.6) | 156 (48.8) | |
| Female | 187 (58.4) | 164 (51.3) | |
| Race, n (%) | 0.35 | ||
| White | 292 (91.3) | 286 (89.4) | |
| Black | 15 (4.7) | 25 (7.8) | |
| Asian | 10 (3.1) | 7 (2.2) | |
| Other | 3 (0.9) | 2 (0.6) | |
| Marital status, n (%) | 0.6 | ||
| Single | 24 (7.5) | 35 (10.9) | |
| Married | 176 (55.0) | 177 (55.3) | |
| Divorced | 44 (13.8) | 42 (13.1) | |
| Widowed | 61 (19.1) | 50 (15.7) | |
| Separated | 3 (0.9) | 1 (0.3) | |
| Unknown | 12 (3.8) | 15 (4.7) | |
| Tumor histology, n (%) | 0.66 | ||
| Squamous cell carcinoma | 112 (35) | 119 (37.2) | |
| Adenocarcinoma | 153 (47.8) | 148 (46.3) | |
| Large cell carcinoma | 25 (7.8) | 19 (5.9) | |
| Neuroendocrine | 2 (0.6) | 5 (1.6) | |
| Other | 28 (8.8) | 29 (9.1) | |
| Tumor grade, n (%) | 0.56 | ||
| Poorly differentiated, grade III | 308 (96.3) | 305 (95.3) | |
| Undifferentiated, grade IV | 12 (3.8) | 15 (4.7) | |
| (p)T stage, n (%) | 0.83 | ||
| (p)T1a | 47 (14.7) | 49 (15.3) | |
| (p)T1b | 273 (85.3) | 271 (84.7) | |
| Tumor size, mean (mm) | 15.03 | 14.65 | 0.28 |
NSCLC, non-small cell lung cancer.