Table 4.

Survival analysis.

Variables	PLC (n = 62)	SPLC (n = 62)	p-Value
1-month survival	62 (100%)	59 (95.2%)	0.079
3 months survival	60 (96.8%)	57 (91.9%)	0.243
1-year survival	51 (82.3%)	46 (74.2%)	0.276
2 years survival	37 (58.1%)	25 (40.3%)	0.031
3 years survival	26 (41.9%)	15 (24.2%)	0.035
5 years survival	7 (11.3%)	1 (1.6%)	0.028

PLC—Primary Lung Cancer; SPLC—Second Primary Lung Cancer.