Table 1.
Patient characteristics and clinical outcomes
| Variable | 3D | 2D | P |
|---|---|---|---|
| Gender (male/female) | 109/69 | 106/76 | 0.563 |
| Age (mean, years) | 61.1 | 60.6 | 0.687 |
| Lobes | |||
| Right upper | 58 | 60 | — |
| Right middle | 9 | 10 | — |
| Right lower | 29 | 21 | — |
| Right upper and middle | 3 | 3 | — |
| Right middle and lower | 5 | 9 | — |
| Left upper | 42 | 51 | — |
| Left lower | 32 | 27 | 0.717 |
| Stage of NSCLC | |||
| I | 99 | 106 | — |
| II | 40 | 34 | — |
| IIIA | 31 | 33 | — |
| IIIB | 1 | 1 | — |
| IV | 7 | 7 | 0.943 |
| Tumor size (cm) | 2.82 | 2.78 | 0.951 |
| Operation time (minutes) | 163 | 184 | < 0.001 |
| Lymph node number | 21.3 | 19.5 | 0.064 |
| Estimated blood loss (mL) | 109 | 144 | 0.064 |
| Tube duration (days) | 3.6 | 3.5 | 0.618 |
| Length of stay (days) | 6.9 | 7.1 | 0.399 |
2D, two dimensional; 3D, three‐dimensional; NSCLC, non‐small cell lung cancer.