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Subjective outcome scores collected throughout follow-up
Variable Time
Postoperation 1 Week 1 Month 6 Months 1 Year
Rest pain +1.25 +1.33 +1.29 +1.53 +1.49
Active pain +1.10 +1.12 +1.00 +1.33 +1.12
Mobility +0.76 +0.67 +0.83 +1.00
Narcotic use +0.81 +0.84 +0.93 +0.94
Note:—Subjective outcome scores as compared with preoperative status: +2 indicates total improvement; +1, some improvement; 0, no change; −1, worse. Scores were calculated as described in the Methods section. Mobility and narcotic use were not determined until 1 week had passed after treatment.

Variable	Time
Variable	Postoperation	1 Week	1 Month	6 Months	1 Year
Rest pain	+1.25	+1.33	+1.29	+1.53	+1.49
Active pain	+1.10	+1.12	+1.00	+1.33	+1.12
Mobility		+0.76	+0.67	+0.83	+1.00
Narcotic use		+0.81	+0.84	+0.93	+0.94