Table 2.

Characteristics of subjects and experimental design.

	Age (years)	Gender	Smoking status	Pack years	FEV1%pred	FEV1/FVC%	IHC	LCM
Sample 1	63	f	ns	0	95	84	+	+
Sample 2	49	m	ns	0	78.5	78	+	+
Sample 3	50	m	ns	0	94	78	+	+
Sample 4	45	m	ns	0	80	73	+	+
Sample 5	52	f	ns	0	121	83	+	+
Sample 6	72	f	ns	0	91	81	+	+
Sample 7	45	m	ns	0	130	83	+	-
Sample 8	69	f	ns	0	78.2	85.8	+	-
Sample 9	65	f	ns	0	100	73	+	-
Sample 10	67	f	ns	0	114.4	80.3	+	-
Sample 11	45	f	cs	30	103.6	81.8	+	+
Sample 12	49	f	cs	33	87.3	82.3	-	+
Sample 13	43	m	cs	NA	102	76	+	+
Sample 14	64	m	cs	40	116	78	+	+
Sample 15	52	f	cs	20	81.6	74.2	+	+
Sample 16	55	f	cs	32	103	77	+	+
Sample 17	63	f	cs	NA	96.0	75.3	+	-
Sample 18	47	f	cs	50	61	75	+	-
Sample 19	54	f	cs	38	103.8	90.1	+	-
Sample 20	52	f	cs	40	101.2	78.2	+	-
Sample 21	65	f	cs	NA	88.6	62.4	+	-
Sample 22	53	m	cs	60	90	70	+	-
Sample 23	66	m	cs	40	102	72	+	-
Sample 24	74	m	es	53	99.9	71.4	+	+
Sample 25	63	m	es	65	64	79	+	+
Sample 26	67	m	es	34	71.7	69.7	-	+
Sample 27	59	f	es	35	78	79	+	+
Sample 28	69	m	es	20	104	70	+	+
Sample 29	60	m	es	NA	NA	NA	-	+
Sample 30	68	m	es	45	49.3	77.7	+	-
Sample 31	65	f	es	11.5	90.4	75.8	+	-
Sample 32	43	f	es	1.5	121	75	+	-
Sample 33	66	m	es	10	72.4	78.0	+	-
Sample 34	50	m	es	NA	104.9	86.6	+	-
Sample 35	71	m	es	NA	NA	80.2	+	-
Sample 36	62	m	es	NA	99	79	+	-
Sample 37	68	f	es	51	100	73.6	+	-