From: Elective neck dissection versus wait-and-see policy in cT1N0 buccal squamous cell carcinoma
Variables | Elective neck dissection (n = 125) | Wait-and-see policy (n = 50) | p |
---|---|---|---|
Age | |||
<40 | 10 | 6 | |
≥40 | 115 | 44 | 0.562 |
Sex | |||
Male | 93 | 39 | |
Female | 32 | 11 | 0.617 |
Smoker | |||
Yes | 75 | 37 | |
No | 50 | 13 | 0.081 |
Alcohol Use | |||
Yes | 63 | 28 | |
No | 62 | 22 | 0.503 |
Education | |||
<High school | 35 | 10 | |
≥High school | 90 | 40 | 0.274 |
Area | |||
Countryside | 89 | 29 | |
Urban | 36 | 21 | 0.092 |
Hospitalization expenses | 26,000 (24000–30,000) | 22,000 (18000–26,000) | < 0.001 |
PNIa | |||
Yes | 10 | 4 | |
No | 115 | 46 | 1.000 |
LVI& | |||
Yes | 7 | 4 | |
No | 118 | 46 | 0.731 |
Invasion depth (mm) | 2.4 (1.7–4.7) | 2.3 (1.8–4.6) | 0.584 |
Tumor differentiation | |||
Well | 50 | 18 | |
Moderate | 68 | 29 | |
Poor | 7 | 3 | 0.925 |
Radiotherapy | |||
Yes | 15 | 8 | |
No | 110 | 42 | 0.453 |
Follow-up time | 59.4 (7–115) | 64.0 (6–105) | 0.226 |