[Retracted] Study on the Predictive Value of P53 Protein Expression in Brain Metastasis in NSCLC and the Mechanism of miR-424 Reversing Platinum Resistance in NSCLC

Table 2

Comparison of postoperative expression of P53 protein and miR-424.

Group	Positive expression rate of P53 protein	Relative expression of miR-424
NSCLC brain metastases group (n = 34)	27 (79.41)	1.12 ± 0.26
NSCLC without metastasis group (n = 48)	11 (22.92)	0.71 ± 0.11
t/x^2	25.546	9.778
	<0.001	˂0.001