Table 2.

Patient Characteristics, Tumor Characteristics, Immunohistochemical Expression in Relation to Local Recurrence (n = 34).

Characteristics	No. of Patients With Local Recurrence (%)	Univariable HR (95% CI)	P
Age (y)
<65	18/74 (24.3)	1.07 (0.55–2.11)	.84
≥65	16/67 (23.9)	1
Gender
Female	3/21 (14.3)	1
Male	31/120 (25.8)	1.94 (0.59–6.34)	.27
cT‐stadium
T1	11/61 (18.0)	1
T2	23/80 (28.8)	1.77 (0.86–3.62)	.12
cN‐stadium
N0	28/125 (22.4)	1
N+	6/16 (37.5)	2.0 (0.83–4.85)	.12
Location
Glottis	22/93 (23.7)	1
Supraglottis	12/48 (25)	1.04 (0.52–2.11)	.90
pATM
Low	20/103 (19.4)	1
High	14/38 (36.8)	2.14 (1.08–4.24)	.03*
pChk2
Low	31/136 (22.8)	1
High	3/5 (60.0)	3.16 (0.96–10.37)	.06
p53
Low	2/11 (18.2)	1
High	14/65 (21.5)	1.31 (0.30–5.75)	.72

CI = confidence interval; HR = hazard ratio; N = node; T = tumor.

^* Signifies statistically significant relation.