Table 1 Patient characteristics
From: Long-term follow-up of voice changes after cervical mediastinoscopy
Total group (N = 270) | Voice changes after CM lasting > 14 days (N = 17) | No voice changes after CM or full recovery ≤ 14 days (N = 253) | P-value | |
|---|---|---|---|---|
Age, years (during CM, mean ± SD) | 62 ± 13 | 60 ± 15 | 62 ± 12 | 0.36 |
Gender | ||||
Female | 94 (35%) | 6 (35%) | 88 (35%) | 0.97 |
Indication | 0.63 | |||
Staging for (suspected) cancer | 227 (84%) | 15 (88%) | 212 (84%) | |
Mediastinal lymphadenopathy/mass | 43 (16%) | 2 (12%) | 41 (16%) | |
Location of (suspected) cancer | 0.10 | |||
Left | 98 (43%) | 6 (40%) | 92 (43%) | |
Right | 121 (53%) | 7 (47%) | 114 (54%) | |
Bilateral | 8 (4%) | 2 (13%) | 6 (3%) | |
Stage of cancer | 0.72 | |||
I | 29 (13%) | 3 (20%) | 26 (12%) | |
II | 50 (22%) | 3 (20%) | 47 (22%) | |
III | 124 (55%) | 7 (47%) | 117 (55%) | |
IV | 17 (8%) | 2 (13%) | 15 (7%) | |
Unknown | 7 (3%) | 0 (0%) | 7 (3%) | |
Histopathology | < 0.001 | |||
Small cell lung cancer | 1 (0%) | 1 (7%) | 0 (0%) | |
Adenocarcinoma | 86 (38%) | 8 (53%) | 78 (37%) | |
Squamous cell carcinoma | 96 (42%) | 1 (7%) | 95 (45%) | |
Large cell lung carcinoma | 6 (3%) | 0 (0%) | 6 (3%) | |
Other | 38 (17%) | 5 (33%) | 33 (16%) | |
Amount of harvested LNs (mean) | 4 ± 1 | 4 ± 1 | 4 ± 1 | 0.48 |
Harvested LN stations | 268 (99%) | 17 (100%) | 251 (99%) | 0.71 |
Left sided | 237 (88%) | 16 (94%) | 221 (87%) | 0.70 |
2L | 71 (26%) | 5 (29%) | 66 (26%) | 0.77 |
4L | 231 (86%) | 16 (94%) | 215 (85%) | 0.14 |
Right sided | 257 (95%) | 16 (94%) | 241 (95%) | 1.00 |
2R | 190 (70%) | 12 (71%) | 178 (70%) | 0.79 |
4R | 255 (94%) | 16 (94%) | 239 (95%) | 0.63 |
Subcarinal (7) | 241 (89%) | 16 (94%) | 225 (89%) | 0.25 |