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. 2007 Sep;21(9):583–587. doi: 10.1155/2007/917649

TABLE 2.

Age ranges at diagnosis of Crohn’s disease for granuloma-positive and granuloma-negative male and female patients*

Age at diagnosis (years)
<17 17 to 40 >40
Group total, n
  Male 52 318 79
  Female 62 414 90
Granuloma-positive, n
  Male 14 75 16
  Female 23 105 14
Granuloma-negative, n
  Male 38 243 63
  Female 39 309 76

*Numbers for each patient group included both granuloma-positive (n=247) and granuloma-negative (n=768) patients, with granuloma-negative meaning no granuloma was detected.

Ages, age ranges at diagnosis of Crohn’s disease based on Montreal schema