Association between intraarticular cytokine levels and clinical parameters of osteochondritis dissecans in the ankle

Table 2 Overview about the intraarticular protein concentrations

	N total	Average	SD	N below detection level
MMP-13 [pg/ml]	28	12.61	28.71	22
IL-1β [pg/ml]	28	9.24	5.31	1
bFGF [pg/ml]	28	50.97	153.9	12
BMP-2 [pg/ml]	28	99.77	83.65	7
BMP-7 [pg/ml]	28	40.98	47.88	1
IGF-1 [pg/ml]	28	318.76	187.04	3
IGF-1R [pg/ml]	28	360.64	459.70	7
Endoglin [pg/ml]	28	1164.3	697.49	0
Aggrecan [pg/ml]	28	28786	37474	0
TPC [mg/ml]	28	403.30	350.96	0

SD – standard deviation, MMP-13 - matrix metalloproteinase-13, IL-1β – interleukin-1β, bFGF – basic fibroblast growth factor, BMP-2 and BMP-7 - bone morphogenetic protein-2 and 7, IGF-1 - insulin-like growth factor 1, IGF-1R - insulin-like growth factor 1 receptor, TPC – total protein content.

ISSN: 1471-2474