Table 2. Patient sociodemographic and medical characteristics by extent of surgery.
| Patient characteristics | Sublobar resection (n=127) | Lobectomy (n=74) | Total (N=201) | P value |
|---|---|---|---|---|
| Age (year) | ||||
| Median (IQR) | 70 (12) | 66 (12.5) | 69 (13) | 0.14 |
| Sex (%) | ||||
| Female | 83 (65.4) | 50 (67.6) | 133 (66.2) | 0.75 |
| Male | 44 (34.6) | 24 (32.4) | 68 (33.8) | |
| Race (%) | ||||
| Asian | 11 (8.7) | 10 (13.5) | 21 (10.4) | 0.45 |
| Black/African American | 21 (16.5) | 11 (14.9) | 32 (15.9) | |
| Other | 18 (14.2) | 6 (8.1) | 24 (11.9) | |
| White Non-Hispanic | 77 (60.6) | 47 (63.5) | 124 (61.7) | |
| College degree (%) | ||||
| Yes | 66 (54.5) | 37 (55.2) | 103 (54.8) | 0.93 |
| BMI ≥30 kg/m2 (%) | ||||
| Yes | 33 (27.7) | 19 (27.9) | 52 (27.8) | 0.98 |
| BMI (kg/m2) | ||||
| Median (IQR) | 26.4 (7.35) | 25.4 (7.75) | 25.8 (7.4) | 0.51 |
| Pack-years | ||||
| Median (IQR) | 15 (34.925) | 15 (43) | 15 (37.6) | 0.92 |
| Smoking status (%) | ||||
| Current smoker | 13 (10.3) | 5 (6.8) | 18 (9.0) | 0.27 |
| Former smoker | 83 (65.9) | 44 (59.5) | 127 (63.5) | |
| Never smoker | 30 (23.8) | 25 (33.8) | 55 (27.5) | |
| Comorbidity ordinal score | ||||
| Median (IQR) | 2 (2) | 2 (3) | 2 (2) | 0.13 |
| Time from baseline QoL to surgery date (months) | ||||
| Median (IQR) | 0.6 (0.7) | 0.4 (0.7) | 0.5 (0.7) | 0.46 |
| Social support (MOS index) | ||||
| Median (IQR) | 96.8 (14.0) | 97.4 (14.2) | 96.8 (13.9) | 0.85 |
| Tumor consistency on pre-surgical CT (%) | ||||
| Solid | 92 (72.4) | 59 (79.7) | 151 (75.1) | 0.36 |
| Part-solid | 25 (19.7) | 14 (18.9) | 39 (19.4) | |
| Nonsolid | 10 (7.9) | 1 (1.4) | 11 (5.5) | |
| Post-operative pathology | ||||
| Histology | ||||
| Adenocarcinoma | 102 (80.3) | 60 (81.1) | 162 (80.6) | 0.48 |
| Other | 11 (8.7) | 9 (12.2) | 20 (10.0) | |
| Squamous cell | 14 (11.0) | 5 (6.8) | 19 (9.5) | |
| Max. pathologic tumor diameter (mm) | ||||
| Median (IQR) | 15 (7.5) | 20 (9.75) | 15 (8.0) | <0.001 |