Table 3

Lung function data, provocative concentration of methacholine causing a 20% fall in the forced expiratory volume in one second (FEV₁, PC₂₀) and symptoms during the challenge test and changes with asthma therapy in the 26 patients with bronchial hyperreactivity

Patient no.	Sex	Age yrs	FEV₁ % pred	PC₂₀ mg·mL⁻¹	AP symptoms leading to evaluation	Better with therapy
1	F	54	82	15.9	Yes	Yes
5	F	52	97	14.9	Yes	Yes
7	F	56	93	1.2	Yes	Yes
9	M	32	88	7.4	No	Declined therapy
10	F	46	85	5.7	Yes	Yes
12	F	73	89	15.9	Yes	Yes
13	F	71	81	3.5	Yes	Yes
14	F	59	90	13.4	Yes	Yes
15	F	53	118	4.1	No, but dyspnoea	Yes
16	F	81	79	7.2	Yes	Yes
18	M	53	94	6.7	No, but dyspnoea	Yes
19	F	73	122	1.6	Yes	Yes
21	F	60	119	6.6	Yes	Yes
22	F	66	116	10.0	Yes	Yes
23	F	45	95	4.3	Yes	Yes
26	M	74	104	4.3	Yes	Yes
27	F	55	94	0.68	Yes	Yes
29	F	64	107	1.6	Yes	Yes
31	F	52	83	7.3	Yes	Yes
33	F	66	85	4.1	Yes	Yes
34	F	66	96	3.6	Yes	Yes
36	F	61	92	2.1	No, but tightness and dyspnoea	Yes
38	M	39	112	3.6	No, but tightness	Yes
39	F	47	102	1.7	Yes	No
40	F	54	79	1.7	Yes	Yes
41	M	49	114	5.1	No, but tightness and wheezing	Yes

% pred: % predicted
AP: angina pectoris
F: female
M: male