Table 3:

Univariable analysis of predictors of an insecure surgical margin

Factors	Contrast	OR	95% CI	P Value
cT category	cT1 vs cT2	4.58	0.701–51.21	.115
	cT1 vs cT4	9.0	0.303–1669.30	.208
cN category	cN0 vs cN1	2.25	0.262–27.08	.56
pT category	pT1 vs pT2	3.49	0.666–23.32	.141
	pT1 vs pT4	6.6	0.255–1118.92	.259
pN category	pN0 vs pNx	1.0	0.034–29.19	1.0
	pN0 vs pN1	1.09	0.079–14.88	.946
	pN0 vs pN2	5.0	0.148–965.12	.378
Histopathologic differentiation	Well vs moderate	0.13	0.001–2.00	.153
	Well vs poor	0.36	0.002–7.44	.533
LVI	Positive vs negative	1.31	0.296–6.094	.724
Perineural invasion	Positive vs negative	2.61	0.128–394.57	.543
Treatment technique	TORS only vs TORS+adjuvant radiation	0.78	0.124–4.61	.78
	TORS only vs TORS+adjuvant chemoradiation	2.14	0.415–12.46	.366
MR imaging score	1 vs 2–5	21.35	2.03–2930.98	.007^{^a}
	1–2 vs 3–5	69.67	6.68–9652.57	<.0001^{^a}
	1–3 vs 4–5	48.33	7.131–634.53	<.0001^{^a}
	1–4 vs 5	3.99	0.653–43.33	.14