Table 1.

Patient Characteristics

	Patient Characteristics (n = 183)
Gender
Male	153 (83.6)
Female	30 (16.4)
Ethnicity
White	161 (88.0)
Black/Other/Unknown	22 (12.0)
Initial Cancer
Age at Initial Tumor	58.63
Initial Site
Glottis	109 (59.6)
Supraglottis	71 (46.4)
Other/Unknown	3 (1.6)
Initial cT stage
cT1	46 (25.1)
cT2	61 (33.3)
cT3	44 (24.0)
cT4	18 (9.8)
Unk	14 (7.7)
Initial cN status
cN0	141 (77.0)
cN1	15 (8.2)
cN2+	14 (7.7)
Unk	13 (7.1)
Initial Stage
I	46 (25.1)
II	54 (29.5)
III	44 (24.0)
IV	25 (13.7)
Unk	14 (7.7)
Initial Treatment
RT	112 (61.2)
CRT	71 (38.8)
Recurrent Cancer
Age at Recurrence (yrs)	60.87
Time to Recurrence (mo)	23.48
Recurrent Site
Glottis	99 (54.1)
Supraglottis	81 (44.2)
Other/Unknown	3 (1.6)
Recurrent cT stage
cT1	8 (4.4)
cT2	80 (43.7)
cT3	51 (27.9)
cT4	44 (24.0)
Recurrent cN status
cN0	159 (86.9)
cN1	10 (5.5)
cN2+	14 (7.7)
Recurrent cStage
I	7 (3.8)
II	76 (41.5)
III	49 (26.8)
IV	51 (27.9)
Pathologic Data
Recurrent pT stage
pT1	6 (3.3)
pT2	60 (32.8)
pT3	53 (29.0)
pT4	64 (35.0)
Recurrent pN status
pN0	137 (74.9)
pN1	15 (8.2)
pN2+	31 (16.9)
Recurrent pStage
I	6 (3.3)
II	53 (29.0)
III	48 (26.2)
IV	76 (41.5)