Table 1. Characteristics of patients who were initially diagnosed with lung cancer by EBUS-TBNA (n = 131).
| Group C (n = 35) | Group H (n = 96) | p | |
|---|---|---|---|
| Age | 0.07a | ||
| Median (range) | 65(51-82) | 69(42-87) | |
| Gender | 0.46b | ||
| Female | 5(14%) | 20(21%) | |
| Male | 30(86%) | 76(79%) | |
| Histology | 0.70b | ||
| Adenocarcinoma | 11(31%) | 40(42%) | |
| Squamous cell carcinoma | 8(23%) | 24c(25%) | |
| Small cell carcinoma | 13(37%) | 26(27%) | |
| Large cell carcinoma | 1(3%) | 2(2%) | |
| NSCLC- NOS | 2(6%) | 4(4%) | |
| Location of LN station | 0.14b | ||
| 2R | 3(9%) | 1(1%) | |
| 4R | 7(20%) | 32(33%) | |
| 4L | 3(9%) | 5(5%) | |
| 7 | 12(34%) | 35(37%) | |
| Others | 10(28%) | 23(24%) | |
| LN stations per patient | 0.56b | ||
| 1 station | 32(91%) | 82(85%) | |
| 2 stations ≤ | 3(9%) | 14(15%) | |
| LN sized, mm, median (range) | |||
| Short axis | 23.7(11.3-49.0) | 20.9(10.1-39.4) | 0.13a |
| Long axis | 28.5(16.0-55.1) | 27.2(13.2-49.2) | 0.15a |
a By Mann-Whitney U test. b By Fisher’s exact test. c Including 1 patient with combined squamous and small cell carcinoma. d Size of the largest LN station on computed tomography.
Abbreviations: NSCLC- NOS, Non-small cell lung carcinoma- not otherwise specified; LN, Lymph node; CT, Computed Tomography.