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Table 1 Percentage of patients from specialist treatment centres in Cape Town, Gauteng and Eastern Cape with cocaine (HCL/crack) as a primary or overall1 drug of abuse, ratio of crack users to total cocaine users as a %, and % of new admissions among patients with cocaine as a primary drug of abuse

From: Cocaine treatment admissions at three sentinel sites in South Africa (1997–2006): findings and implications for policy, practice and research

  Cape Town Gauteng Eastern Cape
  Users in treatment for cocaine or crack (primary) % of crack to total cocaine % of users reporting cocaine overall1 % new adm.3,4 Users in treatment for cocaine or crack (primary) % of crack to total cocaine % of users reporting cocaine overall1 % new adm.3,4 Users in treatment for cocaine or crack (primary) % of crack to total cocaine % of users reporting cocaine overall1 % new adm.3,4
  n %   n %   n %   n %   n %   n %  
1997a 71 3.4 85.9 91 4.3 - - - - - - - - - - - - -
1997b 78 3.6 64.1 117 5.4 - - - - - - - - - - - - -
1998a 131 5.7 78.6 265 11.5 - 157 8.0 52.5 271 12.8 - - - - - - -
1998b 99 7.3 65.7 198 14.5 - 204 8.6 79.6 374 15.8 - - - - - - -
1999a 126 8.3 72.2 168 11.0 - 283 10.3 78.6 453 16.5 - - - - - - -
1999b 137 8.8 70.1 299 19.3 61.3 273 10.5 78.1 491 18.8 - - - - - - -
2000a 132 7.8 65.9 284 16.8 61.2 267 10.6 77.4 430 17.1 - - - - - - -
2000b 121 7.1 67.8 252 14.9 59.5 198 7.5 80.0 383 14.3 59.6 - - - - - -
2001a 144 9.2 68.1 335 21.3 54.8 210 7.4 77.0 466 16.4 - - - - - - -
2001b 88 5.6 73.9 231 14.8 57.5 155 5.8 74.1 386 14.4 52.9 - - - - - -
2002a 106 6.6 52.8 211 13.1 63.2 183 5.2 84.6 429 14.6 59.6 - - - - - -
2002b 104 6.7 58.7 247 15.9 67.0 146 5.6 67.9 355 13.7 54.8 - - - - - -
2003a 136 7.9 72.1 312 18.1 55.9 155 5.9 66.1 381 14.6 51.0 - - - - - -
2003b 139 8.4 66.9 358 21.6 61.6 182 6.8 70.6 394 14.5 56.6 - - - - - -
2004a 219 9.7 65.8 491 21.8 59.4 256 9.1 72.3 507 18.0 69.5 33 5.1 48.5 76 11.6 69.7
2004b 210 9.1 67.1 463 20.1 63.8 263 9.9 68.4 510 19.2 63.1 42 7.0 31.0 82 13.7 47.6
2005a 205 8.3 62.9 475 19.2 69.3 271 9.0 69.0 577 19.0 63.1 73 10.9 65.8 125 18.6 62.5
2005b 163 7.6 69.32 386 18.1 71.1 287 10.1 69.3 574 20.2 71.4 53 9.1 75.52 88 15.0 71.7
2006a 159 6.0 65.42 415 15.6 59.1 345 11.1 71.3 667 21.4 64.1 145 18.4 78.22 218 27.7 63.7
2006b 134 4.8 62.52 346 12.4 57.5 353 10.7 67.1 778 23.6 68.3 124 19.2 83.92 187 29.0 65.3
Trend test Z = 4.461   Z = 15.982   Z = 3.775   Z = 11.964   Z = 9.941   Z = 2.578  
Sigif. p < 0.0001   p < 0.0001   p < 0.0001   p < 0.0001   p < 0.0001   p < 0.005  
  1. - data not recorded at that site; 1 includes cocaine or crack as 1st, 2nd, 3rd or 4th substance of abuse; 2 distinction between cocaine and crack no longer recorded, have used mode as a proxy with "smoking" taken as indicative of crack cocaine use; 3 primary substance of abuse; 4 % new admissions among cocaine/crack patients