TABLE 4.

MEAN TERMINAL RESTRICTION FRAGMENT LENGTHS IN CASE SUBJECTS AND CONTROL SUBJECTS

		TERT/TERC Mutations
		Present:	Absent
	Control Subjects	PF Case Subjects	Familial PF Probands*	Sporadic PF Case Subjects*	All Case Subjects*
Male	5.84 kb (n = 99)	4.30 kb (n = 17)	5.14 kb (n = 34)	5.25 kb (n = 41)	5.25 kb (n = 75)
Female	6.03 kb (n = 102)	4.57 kb (n = 3)	5.40 kb (n = 25)	5.58 kb (n = 32)	5.45 kb (n = 57)
P Value†	0.02	0.20	0.04	0.08	0.004

Definition of abbreviation: PF = pulmonary fibrosis.

^*Subjects in this group do not have any detectable mutations in either TERT or TERC.

^†P Values were calculated by multiple regression with age included as a covariate.