Table 3.

Patient-reported pain and quantitative sensory testing measures at all three timepoints.

Measure	All Patients	P value	Stopped early	Continued AI	P value
Patient-reported pain
- Baseline	1.7 (1.3)	0.75	1.9 (1.2)	1.6 (1.3)	0.52
- 3 months	2.1 (1.8)		4.2 (1.3)	1.9 (1.8)	0.021
- 6 months	1.7 (1.4)		n/a	1.7 (1.4)
Pain50, kg/cm2
- Baseline	4.3 (1.5)	0.41	3.5 (1.3)	4.4 (1.6)	0.24
- 3 months	4.2 (1.8)		2.3 (0.6)	4.4 (1.8)	0.01
- 6 months	4.2 (1.6)		n/a	4.2 (1.6)
Conditioned pain modulation
- Baseline	7.9 (14.7)	0.66	14.2 (8.0)	7.2 (15.2)	0.25
- 3 months	6.3 (18.4)		15.0 (20.3)	5.1 (18.2)	0.52
- 6 months	10.4 (18.9)		n/a	10.4 (18.9)

Values given are mean values with standard deviations listed in parentheses.