Skip to main content

Table 2 Crude and age-standardized incidence rates of primary brain tumours by sex (per 100,000 person-years)

From: Incidence rates of the primary brain tumours in Georgia - a population-based study

Group Specific histology WHO histology code N % IR   Females Males  
       ASR (CIs) N % IR ASR (CIs) N % IR ASR (CIs) SRR (CIs)
Neuroepithelial    129 13.16 1.46 1.43 (1.18-1.68) 62 12.1 1.33 1.26 (0.94-1.58) 65 16.1 1.55 1.56 (1.18-1.95) 0.81 (0.57-1.15)
  Pilocytic astrocytoma 9421 6 0.61 0.07   2 0.4 0.04   4 1.0 0.09   
  Diffuse astrocytoma 9420, 9400 11 1.12 0.13   5 1.0 0.11   6 1.5 0.14   
  Anaplastic astrocytoma 9401 14 1.43 0.16   7 1.4 0.15   7 1.7 0.17   
  Glioblastoma 9440, 9441 48 4.89 0.54 0.51 (0.36-0.66) 22 4.3 0.47 0.42 (0.24-0.60) 26 6.4 0.62 0.62 (0.38-0.86) 0.68 (0.38-1.22)
  Other astrocytomas 9450 7 0.71 0.08   1 0.2    1 0.25 0.02   
  Oligodendroglioma 9451 5 0.51 0.06   4 0.8 0.08   3 0.7 0.07   
  Anaplastic oligodendroglioma 9391, 9392 4 0.41 0.04   2 0.4 0.04   3 0.7 0.07   
  Oligoastrocytoma 9424, 9425 2 0.2 0.02   9 1.7 0.19   8 2.0 0.19   
  Ependymoma 9382 17 1.73 0.19   3 0.6 0.06   1 0.25 0.02   
  Neuronal - glial 9470, 9471 7 0.71 0.08   5 1.0    1 0.25 0.02   
  Embryonal - Medulloblastoma 9505, 9506, 9493 8 0.81 0.09   2 0.4 0.04   5 1.2 0.12   
Tumours of cranial and spinal nerves Neurinoma 9560 31 3.17 0.35 0.34 (0.22-0.46) 20 3.9 0.43 0.4 (0.22-0.58) 10 2.5 0.24 0.25 (0.09-0.40) 1.61 (0.77-3.37)
Tumours of meninges    284 28.98 3.22 2.97 (2.62-3.32) 173 33.7 3.73 3.33 (2.82-3.84) 96 23.7 2.29 2.20 (1.76-2.65) 1.51 (1.18-1.93)
  Meningioma 9530, 9531, 9532, 9533, 9534, 9537, 9539 254 25.91 2.88 2.65 (2.32-2.98) 158 30.8 3.41 3.02 (2.54-3.51) 83 20.5 1.98 1.91 (1.50-2.33) 1.58 (1.22-2.06)
  Mesenchymal - lipoma, haemangioma 8850, 9120, 9150, 9220, 9180 21 2.14 0.24   11 2.1 0.24   9 2.2 0.21   
  Haemangioblastoma 9161 9 0.92 0.10   4 0.8 0.08   4 1 0.09   
Lymphomas Lymphoma 9590 3 0.3 0.03   1 0.2 0.02   2 0.5 0.04   
Germ cell Germinoma 9064, 9080 4 0.41 0.04   1 0.2 0.02   3 0.7 0.07   
Tumours of the sellar region    130 13.26 1.47 1.40 (1.16-1.65) 76 14.8 1.64 1.57 (1.21-1.93) 41 10.1 0.98 0.93 (0.65-1.22) 1.69 (1.16-2.45)
  Pituitary adenoma 8272 115 11.73 1.30 1.23 (1.00-1.46 67 13.1 1.44 1.36 (1.04-1.69) 36 8.9 0.86 0.82 (0.55-1.09) 1.67 (1.12-2.48)
  Craniopharyngioma 9350 15 1.53 0.17   9 1.7 0.19   5 1.2 0.12   
Unclassified Unclassified 8000 399 40.71    179 34.9    187 46.3    
  Total   980   11.11 10.62 (9.94-11.29) 512   11.05 10.35 (9.44-11.26) 404   9.64 9.47 (8.54- 10.41) 1.09 (0.96-1.25)
  1. Note: N – case number; IR – crude incidence rate; ASR – age-standardized incidence rate; SRR - standardized rate ratio.