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7.

q-PCR与GDH和CDAB检测数据及统计学分析

Statistical analysis of the results q-PCR, GDH and CDAB detection

q-PCR (tpi)	GDH		Total	q-PCR (tcdA/tcdB)	CDAB		Total
q-PCR (tpi)	+	-	Total	q-PCR (tcdA/tcdB)	+	-	Total
※: 3 cases of CDAB gray zone were not included.
+	13	4	17	+	3	4	7
-	7	46	53	-	3	57	60
Total	20	50	70	Total	6	61	67^※
χ²	24.881			χ²	31.453
P	< 0.001			P	< 0.001