Table 2

Patient Global Impression of Change at final assessment

Placebo

Pregabalin


Number assesseda

247

249

Very much improved

16 (6.5)b

31 (12.4)

Much improved

50 (20.2)

65 (26.1)

Minimally improved

88 (35.6)

79 (31.7)

No change

60 (24.3)

43 (17.3)

Minimally worse

14 (5.7)

14 (5.6)

Much worse

13 (5.3)

13 (5.2)

Very much worse

6 (2.4)

4 (1.6)

P-valuec

0.0078


aNumber of patients with available data for this analysis. bNumber (%) of patients. cBased on chi-square test with a modified rigid transformation.

Ohta et al. Arthritis Research & Therapy 2012 14:R217   doi:10.1186/ar4056

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