Quantitative alpha-defensin testing: Is synovial fluid dilution important?

Table 2 Mean and range in mg/L of the initial 10 cases (5 from infected and 5 from aseptic group) in several dilutions

	Dil. 1:10, mean (range)	Dil. 1:100, mean (range)	Dil. 1:500, mean (range)	Dil. 1:1000, mean (range)	Dil. 1:5000, mean (range)
Infected cases	0.04 (0.03-0.05)	0.52 (0.40-0.76)	2.92 (1.68-4.45)	6.68 (3.62-9.62)	32.67 (12.65-50.18)
Aseptic cases	0.01 (0-0.03)	0.09 (0.02-0.30)	0.21 (0.12-0.55)	0.3 (0.24-0.48)	1.43 (1.4-1.49)
P	0.016	0.008	0.008	0.008	0.008

Mann-Whitney test.