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Table 1 Tumour patient cases in this study

From: HIF1-alpha overexpression indicates a good prognosis in early stage squamous cell carcinomas of the oral floor

Age (mean)

57 years (range 33 – 87 years)

Sex

83.5 % men, 16,5 % women

Follow-up (mean)

51.8 months (range 4 – 154 months)

T stadium

50 T1 tumours and 35 T2 tumours

N stadium

60 lymph node negative-and 25 lymph node positive carcinoma without extracapsular spread

Grading

17 well differentiated tumours (G1)

59 moderately differentiated tumours (G2)

9 weakly differentiated tumours (G3)