<qa>  How many patients completed the 1-year follow-up?Between 2008 and 2012 the investigators performed a single-center randomized double-blind placebo-controlled trial to assess the efficacy of local injection of two different doses of methylprednisolone 80 mg and 40 mg in patients with carpal tunnel syndrome CTS, aged 18 to 70 years, not previously treated with steroid injection. The primary outcomes were change in the CTS symptom severity score at 10 weeks and rate of carpal tunnel release surgery on the study hand at 1 year. In the trial 111 patients were randomized 37 in each of the 3 groups: 80 mg methylprednisolone, 40 mg methylprednisolone and placebo and all completed the 1-year follow-up. The investiators plan an extended follow-up 5 to 7 years after injection. 