[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 1

Comparison of baseline data.

Indicators	NSCLC brain metastases group (n = 34)	NSCLC without metastasis group (n = 48)	t/x^2
Gender (n, %)			0.455	0.500
Male	18 (52.94)	29 (60.42)
Female	16 (47.06)	19 (39.58)
Age (years)	55.74 ± 8.54	56.00 ± 7.24	−0.149	0.882
Disease types (n, %)			0.139	0.710
Squamous cell carcinomas	17 (50.00)	22 (45.83)
Adenocarcinoma	17 (50.00)	26 (54.17)
Pathological staging (n, %)			5.271	<0.001
Phase I	0 (0.00)	26 (54.17)
Phase II	20 (58.82)	21 (43.75)
Phase III	14 (41.18)	1 (2.08)