Table 1.
The demographic and clinicopathological data of the total patients.
| Characteristics | IIb/% | IIIa/% | Total/% |
|---|---|---|---|
| Cases | 325(37.1) | 552(62.9) | 877 |
| Median Age (range) | 61(27-82) | 60(24-84) | 60(24-84) |
| Females:Males | 161:164 | 301:251 | 462:415 |
| Number of Lymph Node Metastasis Sites | |||
| 1 | 248(76.3) | 158(28.6) | 406(46.3) |
| 2 | 67(20.6) | 170(30.8) | 237(27.0) |
| 3 | 9(2.8) | 102(18.5) | 111(12.7) |
| 4 | 1(0.3) | 67(12.1) | 68(7.8) |
| 5 | 0 | 33(6.0) | 33(3.8) |
| 6 | 0 | 11(2.0) | 11(1.3) |
| 7 or more | 0 | 11(2.0) | 11(1.3) |
| Air dissemination | 52(16.0) | 193(35.0) | 245(27.9) |
| Vascular invasion | 36(11.1) | 167(30.2) | 203(23.1) |
| Surgical Approach | |||
| Open | 21(6.5) | 41(7.4) | 62(7.1) |
| VATS | 304(93.5) | 511(92.6) | 815(92.9) |
| Surgical Method | |||
| Lobectomy | 306(94.2) | 526(95.3) | 832(94.9) |
| Sleeve Lobectomy | 6(1.8) | 5(0.9) | 11(1.3) |
| Bilobectomy | 12(3.7) | 19(3.4) | 31(3.5) |
| Pneumonectomy | 1(0.3) | 2(0.3) | 3(0.3) |
| Hypertension | 105(32.3) | 210(38.0) | 316(36.0) |
| Diabetes | 76(23.4) | 148(26.8) | 224(25.5) |
| Coronary Disease | 64(19.7) | 125(22.6) | 189(21.6) |
| Smoking History | 67(20.6) | 141(25.5) | 208(23.7) |
The bold values represent the percentage distribution of each characteristic within the respective clinical stage (IIb or IIIa). The total percentage of cases across both stages is also provided.