The effects of two Chinese herbal medicinal formulae vs. placebo controls for treatment of allergic rhinitis: a randomised controlled trial

Chan, Rose YP; Chien, Wai Tong

doi:10.1186/1745-6215-15-261

Trials

Table 4 Demographic and clinical characteristics of participants in the three study groups (n = 240)

From: The effects of two Chinese herbal medicinal formulae vs. placebo controls for treatment of allergic rhinitis: a randomised controlled trial

Characteristics	CS (n = 81)		YS (n = 80)		Placebo (n = 79)		χ ²	P
Characteristics	n	%	n	%	n	%	χ ²	P
Gender							2.06	0.36
Male	27	33.33	32	40.00	35	44.30
Female	54	66.67	48	60.00	44	55.70
Age (years)							1.97	0.37
18–22	63	77.78	69	86.25	65	82.28
23–25	18	22.22	11	13.75	14	17.72
Marriage							1.03	0.60
Single	81	100.00	79	98.75	78	98.73
Married	0	0.00	1	1.25	1	1.27
Family income (HK$) ^a							5.24	0.87
Below 10,000	8	9.88	13	16.25	10	12.66
10,000–19,999	23	28.39	29	36.25	27	34.18
20,000–29,999	23	28.39	22	27.50	23	29.11
30,000–39,000	17	20.99	10	12.50	15	18.99
40,000 or above	10	12.35	3	3.75	4	5.06
Year of study							7.37	0.29
Year 1	25	30.86	32	40.00	21	26.58
Year 2	27	33.33	30	37.50	32	40.51
Year 3	19	23.46	12	15.00	21	26.58
Year 4	10	12.34	6	7.50	5	6.33
Onset of AR							11.92	0.29
Before primary school	23	28.40	20	25.00	24	30.38
Primary school	24	29.63	33	41.25	25	31.65
Secondary school	31	38.27	20	25.00	26	32.91
University	3	3.70	7	8.75	4	5.06
Frequency of AR attack							15.36	0.12
Daily	24	29.63	18	22.50	26	32.91
One to a few weekly	28	34.57	17	21.25	21	26.58
Once to a few monthly	11	13.58	18	22.50	15	18.99
Quarterly	18	22.22	27	33.75	17	21.52
Reasons for AR							17.13	0.51
Allergens	24	29.63	32	40.00	27	34.18
Allergens and cold temperature	57	70.37	48	60.00	52	65.82
History of Medical Treatments used							6.43	0.60
None	42	51.85	48	60.00	41	51.90
Western medicine and/or operation	29	35.80	24	30.00	27	34.18
Chinese medicine	2	2.47	4	5.00	1	12.66
Both Western and Chinese medicine	8	9.88	4	5.00	10	12.66
Family History of AR							14.53	0.41
None	27	33.33	34	42.50	31	39.24
Parent	18	22.22	15	18.75	10	12.66
Sibling	25	30.87	18	22.50	20	25.32
Parents and siblings	11	13.58	13	16.25	18	22.78
Other allergies							10.68	0.71
None	44	55.32	47	58.75	48	60.76
Skin allergy	23	28.40	21	26.25	22	27.85
Food allergy	14	17.28	12	15.00	9	11.39

CS, Cure-allergic-rhinitis Syrup group; YS, Yu-ping-feng San group; AR, Allergic rhinitis.
^aUS$1 = HK$7.8.

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ISSN: 1745-6215

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