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. Author manuscript; available in PMC: 2015 Jun 2.
Published in final edited form as: Addiction. 2015 Mar 15;110(6):996–1005. doi: 10.1111/add.12863

Table 2. Patient experiences with treatment over the 5-year follow-up period.

Died (n=1,031 people, 2,924 episodes) Did not die (n=31,291 people, 87,585 episodes) Total (n=32,322 people, 90,509 episodes)

Mean / % SD Mean / % SD Mean / % SD
Total number of days in treatment*** 237.0 316.1 325.3 414.4 322.5 411.9
 Days in detoxification*** 24.4 60.6 37.2 106.5 36.8 105.3
 Days in maintenance*** 212.6 315.4 288.1 409.9 285.6 407.4
Total number of in-treatment episodes 1.6 1.1 1.6 1.1 1.6 1.1
 Detoxification episodes 0.7 1.0 0.8 1.0 0.8 1.0
 Maintenance episodes 0.8 0.8 0.9 0.8 0.9 0.8
Number of in-treatment episodes is…
 1 64.5 61.3 61.4
 2 23.5 25.1 25.0
 3 8.0 8.1 8.1
 4+ 4.0 5.5 5.5
Total proportion of time in treatment 0.44 0.39 0.43 0.40 0.43 0.40
 Proportion of time in detoxification 0.08 0.18 0.07 0.17 0.07 0.17
 Proportion of time in maintenance 0.36 0.40 0.36 0.40 0.36 0.40
Proportion of episodes in which patient received
 Detoxification with no prior maintenance treatment (“detoxification only”) 22.9 25.0 25.0
 Maintenance treatment with no prior detoxification (“maintenance only”) 19.9 19.8 19.8
 Maintenance treatment with prior detoxification (recommended treatment sequence) 10.0 11.4 11.3
 Detoxification with prior maintenance treatment 2.4 2.3 2.3
***

p<0.001