Table 1.

A univariate analysis (ANOVA) results of integrin β1 in the primary tumor

PredictorIntegrin β1
NMeanSDP
DiseaseNo Met9924.75220.550≤0.0001
Met10142.56429.121
AgeBelow median (<61)10335.02926.8240.4859
Above median (≥ 61)9732.38626.675
SexFemale7136.68328.6200.2500
Male12932.13125.581
Site1 = OP3829.07829.7070.1183
2 = L6130.29524.211
3 = OC10137.58926.680
T16635.98425.9110.3679
26933.83330.028
32936.86230.106
43626.97216.432
N09924.75220.550<0.0001
11942.89431.306
27442.47228.476
3842.62533.738
RadiationNo7231.84024.4160.4684
Yes12334.70727.781
ChemotherapyNo17532.75726.2360.2156
Yes2340.04328.013
Missing2
Differentiation1 = PD3632.18030.0880.3789
2 = MD13235.46926.320
3 = WD3228.40624.244
SmokingNo3034.86629.7650.9159
Yes15834.30026.308
Missing12
StageI4233.61922.6310.0001
II3119.20918.896
III2924.48225.392
IV9841.14228.336

Abbreviations: L, larynx; MD, moderately differentiated; Met, metastasis; OC, oral cavity; OP, oropharynx; PD, poorly differentiated; WD, well differentiated.