TABLE 1

Pulmonary Function Tests, BAL, and HRCT Results in IPF and SSc Patients

Patient no.	Sex	Age (y)	Tobacco exposure	Time since diagnosis (mo)	Treatment	TLC (%)	DLCO (%)	PaO₂ (mm Hg)	PaCO₂ (mm Hg)	BAL cells (×10³/mL)	Macrophages (%)	Lymphocytes (%)	Neutrophils (%)	CT ground glass (/5)	CT fibrosis (/5)	CT total (/10)	Binding index
IPF
1	M	70	Formerly	12	Prednisone azathioprine	38	22	51	40	NA	NA	NA	NA	2	3	5	2.77
2	M	67	Formerly	1	None	83	34	62	33	290	71	9	18	0.8	2	2.8	2.82
3	M	57	Formerly	16	None	89	47	78	38	210	84	4	5	2.2	2	4.2	1.975
4	M	61	Formerly	40	None	85	42	89	37	1,700	84	8	8	1	2	3	2.63
5	M	71	Formerly	1	None	76	70	77	40	110	42	6	51	0.2	2	2.2	2.42
6	F	76	Never	14	None	56	21	63	35	NA	NA	NA	NA	2.4	3	5.4	2.635
7	M	56	Formerly	76	None	82	89	70	39	110	60	19	7	0.8	1.6	2.4	1.67
8	M	46	Currently	9	None	73	35	76	37	295	64	11	18	1.6	2.6	4.2	3.115
9	M	67	Formerly	3	None	56	45	NA	NA	480	68	9	13	1.4	2	3.4	3.13
10	M	75	Formerly	9	Prednisone	62	41	70	42	220	79	6	15	2.4	2.2	4.6	2.13
11	M	76	Never	4	None	93	84	84	40	NA	NA	NA	NA	1.2	1.6	2.8	1.585
SSc
1	F	43	Never	15	None	38	38	84	45	NA	NA	NA	NA	1.6	1.2	2.8	1.42
2	F	23	Never	48	None	74	48	NA	NA	NA	NA	NA	NA	1.0	1.2	2.2	1.45
3	F	74	Never	49	None	72	63	95	39	150	59	11	29	1.6	1.8	3.4	1.91
4	F	58	Never	3	None	74	37	NA	NA	300	92	8	0	0.8	1.6	2.4	1.53
5	M	47	Formerly	123	Prednisone	67	52	86	40	670	70	6	21	2.0	0.4	2.4	2.16

TLC = total lung capacity; DLCO = carbon monoxide diffusing capacity; PaO₂ = arterial partial pressure of oxygen; PaCO₂ = arterial partial pressure of carbon dioxide; NA = not available.