Hypoxia-Inducible Factor-1α Expression in Indonesian Laryngeal Squamous Cell Carcinoma Patients

Table 1

Patient characteristics.

Variable	Frequency ()	Percentage (%)
Gender
Male	41	87.2
Female	6	12.8
Age
<60 years	24	51.1
≥60 years	23	48.9
Tumor location
Glottis	42	89.4
Supraglottis	5	10.6
Clinical stage
Early	4	8.5
Advanced	43	91.5
Differentiation
Well	15	31.9
Moderate	24	51.1
Poor	8	17.0
HIF-1α expression
Positive	29	61.7
Negative	18	38.3