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Table 1 Show rates for clients after IRS or assessment

From: Examining attrition rates at one specialty addiction treatment provider in the United States: a case study using a retrospective chart review

Authors & date

# of agencies

Enrollment stage

Sample size

Showed%

No-showed%

Longhi et al., 1991[17]

Multiple

IRS

1567

71%

29%

Fehr et al., 1992[1]

1

IRS

505

37%

63%

Festinger et al., 1995[18]

1

IRS

235

42%

58%

Sequeland et al., 2002*[2]

4

IRS

1777

53%

47%

Chawdhary et al., 2007*[19]

1

IRS

883

42%

58%

IRS weighted mean

54%

46%

IRS un-weighted mean

49%

51%

Longhi et al., 1991[17]

Multiple

Assessment

909

66%

34%

Kleinman et al., 1992*[20]

1

Assessment

148

58%

42%

Gottheil et al., 1994[21]

1

Assessment

634

80%

20%

Ershoff et al., 1996[22]

8

Assessment

1986

80%

20%

Rohrer et al., 1996[23]

Multiple

Assessment

17,874

45%

55%

Vendetti et al., 1997*[24]

3

Assessment

813

55%

45%

Hser et al., 1998[25]

Multiple

Assessment

276

62%

38%

Pena et al., 1999*[26]

1

Assessment

294

82%

18%

Weisner et al., 2001[27]

1

Assessment

1204

76%

24%

Arfken et al., 2001[28]

1

Assessment

2471

82%

18%

Donovan et al., 2001*[29]

Multiple

Assessment

654

71%

29%

Claus & Kindleberger, 2002[30]

1

Assessment

260

75%

25%

Parker et al., 2002[31]

1

Assessment

127

49%

51%

Angarita et al., 2007*![32]

Multiple

Assessment

372

56%

44%

Pinto et al., 2011*[33]

7

Assessment

286

70%

30%

Resko & Mendoza, 2012*[34]

7

Assessment

340

82%

18%

Molfenter, 2013+[35]

67

Assessment

?

63%

37%

Pena et al., 1999 (lit review)[26]

22 studies

Assessment

?

73%

27%

Assessment weighted mean

56%

44%

Assessment un-weighted mean

67%

33%

  1. *= randomized clinical trial – secondary analysis; ! = individuals who were accurately matched to treatment were included; + = no show rates were based on enrollment in an outpatient program, but it was unclear if the rate was from IRS or assessment.