Table 2. Correlation of CDKN1A with clinicopathological parameters in GBM.

Characteristics	Case	CDKN1A
		Mean ± SD	P-value
Gender
Female	20	11.35 ± 1.27
Male	26	11.20 ± 0.94	0.451b
Age
≥ 50	39	11.43 ± 0.92
< 50	7	10.34 ± 1.51	0.030b
Race
White	44	11.26 ± 1.03
Black or African American	2	11.40 ± 2.60	0.829b
Ethnicity
Not Hispanic or Latino	30	11.20 ± 1.15
Hispanic or Latino	1	11.30 ± 0.00	0.955b
Vital status
Alive	22	10.78 ± 1.11
Dead	24	11.71 ± 0.86	0.011b
Tumor status
With tumor	36	11.30 ± 1.18
Tumor free	5	11.28 ± 0.68	0.858b
Performance status timing
Pre-adjuvant therapy	20	11.29 ± 1.20
Post-adjuvant therapy	2	10.52 ± 2.19
Pre-operative	5	11.39 ± 0.52	0.828a

Significant P values are underlined.

^aKruskal–Wallis rank test.

^bMann–Whitney U test.