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Table 1 Numbers of CT scans and individual patients, by quintile of Townsend deprivation and sex, in the Northern Region of England, 1990-2002.

From: Socio-economic variation in CT scanning in Northern England, 1990-2002

   CT Scans Patients  
Quintile Townsend range Total (%) Males (%) Females (%) Total (%) Male (%) Females (%)
1 (least deprived) -4.72, -1.43 5782 (15) 3288 (14) 2494 (16) 3091 (16) 1765 (16) 1326 (16)
2 -1.42, 0.70 6702 (18) 4038 (18) 2660 (17) 3353 (17) 1943 (17) 1407 (17)
3 0.70, 3.06 8048 (21) 4792 (21) 3256 (21) 4013 (21) 2302 (20) 1711 (21)
4 3.06, 5.83 8931 (24) 5395 (24) 3532 (23) 4538 (23) 2695 (24) 1840 (23)
5 (most deprived) 5.84, 18.62 8544 (22) 5177 (23) 3364 (22) 4490 (23) 2639 (23) 1848 (23)
Total* 38007 22690 15306 19485 11344 8132  
  1. P for associations between number of scans/patients and quintile of community deprivation all less than < 0.0001.
  2. *11 scans were in 9 patients for whom sex was unknown.