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Table 2 Descriptive information on senile cataracts in the autonomous regions studied.

From: Geographical variations in the benefit of applying a prioritization system for cataract surgery in different regions of Spain

  Regions
  Andalusia Aragon Basque Country Canary Islands Catalonia
Population 7,357,558 1,204,215 2,082,587 1,694,477 6,343,110
   Population Over 50 years 2,142,202 457,631 744,419 449,819 2,164,467
   % Population Over 50 years 29% 38% 36% 27% 34%
Prevalence      
   % Prevalence in people over 50 years 22.4% 25.8% 22.8% 20.4% 23.5%
Surgery rate *      
   Yearly rate 405 529 607 440 685
   Surgery rate in people over 50 years 1,391 1,392 1,724 1,650 2,156
Waiting List 9,205 2,826 2,313 5,771 19,586
   % of prevalent population 1.9% 2.4% 1.4% 6.3% 3.8%
Waiting List entry rate (2003) * 612 755 656 602 733
Mean priority (at entry to the waiting list)      
   First surgery (SD) 47.1 (19.9) 28.3 (22.4) 39.3 (22.7) 39.3 (22.7) 36.5 (22.8)
   Second surgery (SD) 36.8 (22.3) 13.7 (11.7) 28.8 (22.6) 28.8 (22.6) 26.1 (22.2)
  1. * N° of ocurrences/100,000 inhabitants
  2. A pooled Distribution was used in the absence of empirical data
  3. SD: Standard Deviation.