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Table 1 Physician specialty and average number of claims per physician, 3-month period, January-March 2011

From: Mining rich health data from Canadian physician claims: features and face validity

Specialty Number of Physicians Number of claims
   N Mean Median IQR25 IQR75
Total 6,601 7,120,483 1,079 865 359 1,493
Family medicine 3,449 4,585,486 1,330 1,161 600 1,804
Internal medicine 795 548,523 690 546 285 934
Neurology 106 43,335 409 332 226 495
Obstetrics and Gynecology 176 195,078 1,108 1,106 504 1,455
Pediatrics 382 196,968 516 330 135 689
Psychiatry 395 358,956 909 691 295 1,344
Radiology 261 34,164 131 68 22 177
Surgery 462 333,774 722 690 381 952
Others 575 824,199 1,433 1,078 591 1,679