Table 1.

Baseline Characteristics of SCCHN Patients (N=323)

Clinicopathological Variables	All (N = 323)	Healthy BMI (N = 137)	Overweight (N = 109)	Obese (N = 77)	P
Age (y)
≥60 y	205 (63.47%)	81 (59.12%)	71 (65.14%)	53 (68.83%)
<60 y	118 (36.53%)	56 (40.88%)	38 (34.86%)	24 (31.17%)	0.333
Gender
Female	117 (36.22%)	50 (36.50%)	39 (35.78%)	28 (36.37%)
Male	206 (63.78%)	87 (63.50%)	70 (64.22%)	49 (63.63%)	0.993
Alcohol
Frequent	189 (58.51%)	83 (60.58%)	65 (59.63%)	41 (53.25%)
Occasional	92 (28.48%)	40 (29.20%)	32 (29.36%)	20 (25.97%)
Never	42 (13.01%)	14 (10.22%)	12 (11.01%)	16 (20.78%)	0.245
Smoking
Frequent	177 (54.80%)	80 (58.39%)	58 (53.21%)	39 (50.65%)
Occasional	89 (27.55%)	38 (27.74%)	29 (26.61%)	22 (28.58%)
Never	57 (17.65%)	19 (0.138%)	22 (20.18%)	16 (20.78%)	0.624
HPV-16 Ssub-Type
Positive	8 (2.48%)	4 (2.92%)	2 (1.83%)	2 (2.58%)
Negative	315 (97.52%)	133 (97.08%)	107 (98.17%)	75 (97.42%)	0.860
Pre-Diagnosis Weight Loss
Yes	206 (63.78%)	87 (63.50%)	75 (68.81%)	44 (57.14%)
No	117 (36.22%)	50 (36.50%)	34 (31.19%)	33 (42.86%)	0.264
Diabetes Mellitus
Yes	32 (9.91%)	5 (3.65%)	13 (7.41%)	14 (20.51%)
No	291 (90.09%)	132 (96.35%)	96 (92.59%)	63 (79.49%)	0.002
Coronary Heart Disease
Yes	35 (10.84%)	6 (4.38%)	12 (11.01%)	17 (15.60%)
No	288 (89.16%)	131 (95.62%)	97 (88.99%)	60 (84.40%)	0.000
T Stage
T1/T2	204 (63.16%)	93 (67.88%)	60 (55.05%)	51 (66.23%)
T3/T4	119 (36.84%)	44 (32.12%)	49 (44.95%)	26 (33.77%)	0.095
N Stage
N0	202 (62.54%)	85 (62.04%)	68 (62.39%)	49 (63.64%)
N1–3	81 (25.08%)	36 (26.28%)	28 (25.69%)	17 (22.08%)
N x	40 (12.38%)	16 (11.68%)	13 (11.93%)	11 (14.29%)	0.953
Clinical Stage
I/II	231 (71.52%)	98 (71.53%)	77 (70.64%)	56 (72.73%)
III/IV	92 (28.48%)	39 (28.47%)	32 (29.36%)	21 (27.27%)	0.893

Abbreviations: BMI, body mass index; HPV, human papilloma virus; T, tumor; N, node; SCCHN, squamous cell carcinoma of head and neck.