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Table 1 Margins of error of estimation based on 50 patients in the implantation strategy arm

From: Does a Screening Trial for Spinal Cord Stimulation in Patients with Chronic Pain of Neuropathic Origin have Clinical Utility and Cost-Effectiveness? (TRIAL-STIM Study): study protocol for a randomised controlled trial

Margin of error

Sensitivitya (%)

Specificitya (%)

100%

8.9

30.9

80%

26.6

53.3

60%

31.8

61.6

40%

31.8

61.6

  1. aAssuming 40/50 patients have ≥ 50% pain relief at 6 months