Table 3.

Baseline and 5-week active extension deficit for the joints that had worsened by ≥20° at the 2-year measurement (compared with the 5-week measurement) and the joints that had not worsened between these two measurement times; hands treated with a single collagenase injection

	Worsened ≥20° after the 5-week postinjection measurement	Not worsened after the 5-week postinjection measurement	p Value
MCP, n	7	38
Baseline	60 (40, 65)	55 (40, 70)	0.87
5-week	0 (0, 0)	0 (0, 10)	0.57
PIP, n	7	38
Baseline	60 (30, 75)	10 (0, 40)	0.017
5 week	15 (15, 55)	0 (0, 15)	0.004

Values are median (25th, 75th centiles) active extension deficit.

MCP, metatarsophalangeal joint; PIP, proximal interphalangeal joint.