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. Author manuscript; available in PMC: 2018 Nov 18.
Published in final edited form as: J Rheumatol. 2008 Apr 15;35(6):1108–1117.

Table 3.

Summary of means of immunohistochemical staining levels in the uncalcified cartilage of the trochlea of the talus.

N Collagen X S-100 cSRC SZP
S M D S M D S M D S M D
Control 20 − − − ++ ++ ++ + + + + − −
Degenerated 10 − + ++ ++ ++ ++ ++ ++ + +++ + −
MSU crystals 7 − ++ ++ ++ ++ ++ ++ ++ + +++ ++ ++
CPPD crystals 7 − ++ ++ ++ +++ ++ ++ ++ + +++ ++ ++

0 = no staining, 1 = weak and/or isolated staining, 2 = moderate staining, 3 = strong and widespread staining. SZP: superficial zone protein; MSU: mono-sodium urate; CPPD: calcium pyrophosphate dihydrate. S: superficial, M: medium; D: deep.