Table 5 Association between clinical factors and false-negative results.
Variables | Categories | OR | 95% CI | p |
|---|---|---|---|---|
Number of SLNs | 1, 2 | Reference | Â | Â |
3 +  | 0.03 | (0.00–0.75) | 0.033 | |
Age | Years (continuous) | 0.98 | (0.92–1.04) | 0.516 |
Sex | Male | Reference | Â | Â |
Female | 2.07 | (0.29–14.99) | 0.472 | |
Primary site | Tongue | Reference | Â | Â |
Others | 2.71 | (0.24–30.95) | 0.423 | |
pT | pTis-T1 | Reference | Â | Â |
pT2 | 0.34 | (0.04–3.06) | 0.335 | |
pT3-4 | 4.19 | (0.22–81.20) | 0.344 | |
SPECT/CT | No SPECT/CT (planar imaging alone) | Reference | Â | Â |
SPECT/CT | 0.36 | (0.04–2.96) | 0.341 | |
Shine-through | No prior resection | Reference | Â | Â |
Primary resection prior to SLNB | 16.97 | (0.59–489.88) | 0.099 | |
Gamma-probe | Probe A | Reference | Â | Â |
Probe B | 5.72 | (0.57–57.39) | 0.138 |
