Table 6.

Age at lung cancer diagnosis (cases and relatives) by DRC status

Type of relationship	DRC above the median			DRC below the median			P for median/mean
	n	Median	Mean (SD)	n	Median	Mean (SD)
Probands (cases)	88	59	59.5 (12.1)	131	57	58.7 (13.6)	0.77/0.66
All relatives	29	65	65.4 (9.1)	44	60	60.5 (13.6)	0.18/0.07
Case relatives	9	60	60.6 (7.5)	23	62	59.0 (15.0)	1.00/0.78
Control relatives	20	67.5	67.6 (9.1)	21	60	62.1 (12.1)	0.16/0.11
Smoking relatives	23	62	64.2 (9.0)	36	60	60.5 (12.9)	0.41/0.24
Nonsmoking relatives	6	71.5	69.8 (8.8)	8	63.5	60.3 (17.3)	0.24/0.24
Female relatives	12	71.5	67.7 (10.2)	13	60	55.4 (15.7)	0.06/0.03
Male relatives	17	62	63.7 (8.2)	31	61	62.6 (12.3)	0.94/0.73