Table I.
IF1 protein expression | ||||
---|---|---|---|---|
Characteristics | Total, n | Present, n | Absent, n | P-value |
Age (years) | ||||
<50 | 40 | 29 | 11 | 0.468 |
≥50 | 46 | 30 | 16 | |
Gender | ||||
Male | 55 | 38 | 17 | 0.897 |
Female | 31 | 21 | 10 | |
Histological type | ||||
Astrocytic tumors | 62 | 42 | 20 | 0.153 |
Oligodendrogial tumors | 9 | 7 | 2 | |
Oligoastrocytic tumors | 15 | 10 | 5 | |
WHO grade | ||||
I+II | 26 | 12 | 14 | 0.003 |
III+IV | 60 | 47 | 13 |
WHO, World Health Organization; IF1, adenosine triphosphatase inhibitory factor 1.