Autologous Serum Skin Test versus Autologous Plasma Skin Test in Patients with Chronic Spontaneous Urticaria

Table 4

The clinical characteristics of the patients according to ASST and APST responses.

	ASST					APST
	Positive		Negative		𝑃	Positive		Negative		𝑃
Duration of disease (year)	2.97 ± 5.60		3.02 ± 4.20		0.970	3.63 ± 6.64		2.52 ± 3.60		0.449
Duration of papules (hour)	5.12 ± 4.87		7.52 ± 4.41		0.087	5.59 ± 4.31		6.36 ± 5.18		0.583
Interval between attacks (day)	2.0 ± 0.89		1.5 ± 0.69		0.060	2.0 ± 0.79		2.0 ± 0.89		0.496
	𝑛	%	𝑛	%		𝑛	%	𝑛	%
Angioedema
(+)	16	52	10	53	1.000	14	67	12	41	0.139
(−)	15	48	9	47		7	33	17	59

ASST: autologous serum skin test; APST: autologous plasma skin test.