N % Onset of neuropathic pain       Within 3 months 26 57.8 3-6 months 10 22.2 6-12 months 2 4.4 More than 12 months 7 15.6 Effect on daily living activities     Affected 24 54.5 Not affected 20 45.5 Use of analgesics     Yes 8 22.2 No 28 77.8

Table 3: The characteristics of neuropathic pain of patients with SCI.