Table 2. Baseline features of accrued patients during a hypothetical pain trial.

The table gives the characteristics of each group early in the trial.

Variable	Treatment group	Control group
Total number of patients	12	14
Neuropathic pain	8 (67%)	7 (50%)
Bone pain	4 (33%)	7 (50%)
Men	6 (50%)	7 (50%)
Women	6 (50%)	7 (50%)
Severe pain at baseline	7 (58%)	8 (57%)
Moderate pain at baseline	5 (42%)	6 (43%)
Use opiates	10 (83%)	12 (86%)
No use of opiates	2 (17%)	2 (14%)