Table 1.

Characteristics of patients with newly diagnosed SPN.

Variable	Patients with followup			Patients without followup			p
	Median (range)	N	%	Median (range)	n	%
Age (yr)	67.7 (31.6–92.4)	112		70.4 (34.3–89.6)	40		0.44
Sex
Male		82	73.2		28	70.0	0.70
Female		30	26.8		12	30.0
Referral pattern
GP		18	16.1		12	30.0	0.06
Specialist		94	83.9		28	70.0
Smoking habits
Never smoked		33	29.5		23	57.5	<0.01
Current or past smoker		79	70.5		17	42.5
Nodule characteristics
Calcification within the nodule		12	10.7		1	2.5	0.11
Spiculated nodule		32	28.6		16	40.0	0.18
Mediastinal involvement		31	27.7		13	32.5	0.56

GP = General Practitioner*