Surgery achieved better initial outcome at both MCP-J and PIP-J levels, and at discharge, only extension in the MCP-J level was statistically better after open excision. However the final outcome was statistically better at the PIP-J level in extension (p = 0.006) and total active movement (TAM) (p = 0.008) after treatment with collagenase clostridium histolyticum. Further studies are required to assess the long-term differences between the two groups and to investigate the outcomes for patients with multi-digit involvement.
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