Table 2.

Studies aimed at assessing the prognostic role of Nkx2-1 on survival of patients with lung cancer

Reference	Specimen source	Diagnosis	Stage	n	Correlation with survival
Yoon et al., 2011	Peripheral blood	NSCLC	I–III	79	Negative
Martins et al., 2009	Histopathology	NSCLC	IIIB–IV	51	Positive
Barletta et al., 2009	Histopathology	ADC	I–IV	89	Positive
Wang et al., 2007	Histopathology	BAC	III	81	Positive
Berghmans et al., 2006	Ten-published articles	Meta-analysis	I–IV	10	Positive
Barlesi et al., 2005	Histopathology	ADC	I–IV	106	Positive
Stenhouse et al., 2004	Histopathology	Lung tumor	Unknown	165	NS
Au et al., 2004	Histopathology	NSCLC	Unknown	284	NS
Shah et al., 2004	Histopathology	NSCLC	I–III	63	NS
Saad et al., 2004	Histopathology	ADC	I	100	Positive
Myong, 2003	Histopathology	NSCLC	I–III	65	Positive
Tan et al., 2003	Histopathology	NSCLC	I–III	126	Positive
Haque et al., 2002	Histopathology	NSCLC	I–III	57	Positive
Pelosi et al., 2001	Histopathology	NSCLC	I	222	NS
Puglisi et al., 1999	Histopathology	NSCLC	I–III	88	Negative

NS: not significant; n: number of patients