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Table 1 Comparisons between those discharged drug free and who dropped out at each year's end by age group, sex and previous treatment contact

From: Trends in drop out, drug free discharge and rates of re-presentation: a retrospective cohort study of drug treatment clients in the North West of England

  Year of treatment outcome
  1998 1999 2000/01* 2001/02
  Discharged drug free Dropped out Discharged drug free Dropped out Discharged drug free Dropped out Discharged drug free Dropped out
n (%) 443 (44.6%) 550 (55.4%) 718 (59.4%) 491 (40.6%) 360 (34.7%) 676 (65.3%) 281 (26.7%) 772 (73.3%)
< 25 years old 118 (26.6%) 166 (30.2%) 144 (20.1%) 110 (22.4%) 72 (20.0%) 114 (16.9%) 41 (14.6%) 146 (18.9%)
25 years old and over 325 (73.4%) 384 (69.8%) 574 (79.9%) 381 (77.6%) 288 (80.0%) 562 (83.1%) 240 (85.4%) 626 (81.1%)
within year comparison P = 0.219 P = 0.325 P = 0.210 P = 0.105
Female 130 (29.3%) 153 (27.8%) 227 (31.6%) 148 (30.1%) 109 (30.3%) 232 (34.3%) 92 (32.7%) 226 (29.3%)
Male 313 (70.7%) 397 (72.2%) 491 (68.4%) 343 (69.9%) 251 (69.7%) 444 (65.7%) 189 (67.3%) 546 (70.7%)
within year comparison P = 0.596 P = 0.587 P = 0.187 P = 0.279
New to treatment that year 239 (54.0%) 328 (59.6%) 324 (45.1%) 195 (39.7%) 193 (53.6%) 377 (55.8%) 118 (42.0%) 366 (47.4%)
Previously seen** 204 (46.0%) 222 (40.4%) 394 (54.9%) 296 (60.3%) 167 (46.4%) 299 (44.2%) 163 (58.0%) 406 (52.6%)
within year comparison P = 0.072 P = 0.062 P = 0.506 P = 0.119
  1. *Reporting changed from UK calendar to financial year to adhere to new national requirements.
  2. **Previously seen is defined as having had at least one prior treatment contact between 1997 and the year analysed.