Table 3.

Summary of the results of individual immunoassays used.

Manufacturer	n	Median	Minimum	Maximum	Lower Quartile	Upper Quartile
Abbott	149	2.66	0.10	10.12	1.51	4.91
Diasorin	149	66.50	5.54	400	34.5	110
Roche	149	73.45	1.84	155	31.8	107
Beckman Coulter	149	1.88	0.12	40.2	0.72	5.47
Euroimmun	149	2.46	0.12	8.61	2.46	4.54