Table 3.

Correlations between IGFBP-3 concentration in serum and clinical features of non-small-cell lung cancer patients with bone metastases (n=29)

	Sex	Age	Pathology	T stage	N stage	PS score	Cancerous ostalgia in primary care	Number of metastatic bone lesions
IGFBP-3
r	−0.011	0.036	0.634	0.091	−0.136	0.670	0.701	0.324
P	0.978	0.926	0.067	0.816	0.728	0.048*	0.036*	0.434

Note:

^*P<0.05 compared with r data.

Abbreviations: IGFBP-3, insulin-like growth factor binding protein-3; PS, performance status.