Table 1 Patient characteristics
Placebo (n = 85) | Pregabalin (n = 82) | |
|---|---|---|
Male, n (%) | 45 (52.9) | 58 (70.7) |
Race, n (%) | ||
White | 61 (71.8) | 62 (75.6) |
Black | 12 (14.1) | 9 (11.0) |
Hispanic | 12 (14.1) | 9 (11.0) |
Other | 0 | 2 (2.4) |
Age, years | ||
Mean (SD) | 58.3 (10.9) | 58.2 (9.6) |
Median | 60 | 59.5 |
Range (min-max) | 32–86 | 31–79 |
Body Mass Index, (kg/m2) | ||
Mean (SD) | 35.8 (8.4) | 36.6 (8.3) |
Range (min-max) | 21.7–61.9 | 23.5–60.2 |
Weight, kg | ||
Mean (SD) | 105 (23) | 107 (24) |
Median | 104 | 102 |
Range (min-max) | 59–174 | 61–182 |
Diabetes type, n (%) | ||
Type 1 | 9 (11) | 4 (5) |
Type 2 | 76 (89) | 78 (95) |
Duration of diabetes, years | ||
Mean (SD) | 10.3 (8.6) | 10.3 (8.2) |
Median | 7.5 | 8.8 |
Range (min-max) | 0.3–42.2 | 0.6–42.8 |
Duration of painful DPN, years | ||
Mean (SD) | 4.4 (3.7) | 4.9 (3.4) |
Median | 3.5 | 4.5 |
Range (min-max) | 0.3–18.4 | 0.3–14.8 |
Distribution of pain, n (%) | ||
Lower extremities | 85 (100) | 82 (100) |
Upper extremities | 37 (44) | 32 (39) |
Baseline mean pain score | ||
Mean (SD) | 6.58 (1.58) | 6.28 (1.47) |
Median | 6.57 | 6.14 |
Range (min-max) | 3.71–10.00 | 3.57–9.71 |