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Table 2 Characteristics of the participating GPs and groups

From: Effect of audit and feedback with peer review on general practitioners’ prescribing and test ordering performance: a cluster-randomized controlled trial

  Arm A Arm B p
Number of groups 10 11 0.40
Number of practices 39 49 0.45
Mean group size (GPs per group) 8.1 (0.64a) 10.55 (1.70a) 0.20
Mean group level 2.70 (0.26a) 2.82 (0.33a) 0.78
No. of men (n total) 53 (81) 78 (116) 0.791
Mean age of GPs 47.9 (0.91a) 47.1 (0.77a) 0.538
  1. aStandard deviation