How Different Methodologies of Harvesting and Analysing the Samples Affect the Test Results in Determining Joint Mediators : Table 1

Table 1: Evaluating MMP-9, MMP-13, NO, TIMP-1 and TNF-alpha levels in synovial lavage fluid and cartilage tissue types.


Material			Mean	Standard deviation

TIMP-1	Synovial lavage fluid	84	3.01	2.61	0.67
TIMP-1	Cartilage Tissue	84	2.83	2.59	0.67
MMP-9	Synovial lavage fluid	90	5.92	1.63	0.28
MMP-9	Cartilage Tissue	90	5.66	1.67	0.28
MMP-13	Synovial lavage fluid	90	0.68	0.23	<0.001
MMP-13	Cartilage Tissue	90	0.47	0.24	<0.001
TNF-α	Synovial lavage fluid	84	0.32	0.09	<0.001
TNF-α	Cartilage Tissue	84	0.14	0.07	<0.001
NO	Synovial lavage fluid	90	0.57	0.19	<0.001
NO	Cartilage Tissue	90	0.36	0.19	<0.001