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Table 2 Clinical characteristics of inpatient drug-detoxification hospitalizations for patients aged≥12 years: 2003–2011 Nationwide Inpatient Samples

From: National trends and characteristics of inpatient detoxification for drug use disorders in the United States

Year

Overall (2003–2011)

2003

2011

p value‡

Sample size, unweighted N

271,403

27,626

28,692

Weighted column, %

%

(95% CI)

%

(95% CI)

%

(95% CI)

Any-listed diagnosis

 Any drug use disorder

99.13

(98.96–99.28)

99.12

(98.82–99.35)

99.18

(98.71–99.48)

0.811

  Drug withdrawal

47.45

(42.85–52.09)

34.71

(23.76–47.56)

52.67

(41.57–63.52)

0.037

  Opioid use disorders

74.83

(72.70–76.85)

72.37

(63.93–79.47)

75.60

(68.64–81.43)

0.529

  Stimulant use disordersa

30.06

(27.63–32.61)

25.27

(19.71–31.79)

28.62

(22.89–35.14)

0.447

  Sedative use disorders

13.21

(11.99–14.52)

9.65

(7.27–12.69)

17.74

(13.28–23.31)

0.003

  Cannabis use disorders

12.14

(11.09–13.28)

10.19

(7.40–13.89)

14.26

(11.48–17.57)

0.081

  Other drug-related disordersb

11.87

(10.75–13.08)

12.90

(9.83–16.76)

11.08

(8.66–14.07)

0.409

 Alcohol use disorders

42.37

(39.41–45.38)

35.68

(29.05–42.90)

41.32

(32.54–50.69)

0.334

 Any non-addiction mental health disorder

47.93

(45.29–50.59)

43.16

(35.30–51.38)

58.98

(51.82–65.78)

0.004

  Mood disorders

38.35

(36.08–40.67)

34.66

(28.25–41.67)

46.42

(40.39–52.55)

0.013

  Schizophrenic/psychotic/ delusional disorders

3.94

(3.58–4.32)

3.35

(2.49–4.48)

5.19

(3.74–7.15)

0.048

  Anxiety disorders

10.82

(9.89–11.81)

8.17

(6.53–10.18)

17.38

(13.90–21.53)

< 0.001

  Adjustment disorders

0.95

(0.79–1.13)

1.09

(0.79–1.50)

1.26

(0.51–3.08)

0.761

  Personality/impulse-control/disruptive behavior disorders

7.12

(6.29–8.04)

7.39

(5.55–9.78)

7.81

(5.74–10.54)

0.795

Primary diagnosis

 Any drug use disorder

71.26

(68.79–73.61)

71.73

(64.93–77.67)

64.53

(55.84–72.35)

0.175

  Drug withdrawal

33.68

(29.28–38.38)

24.60

(14.85–37.89)

35.37

(24.36–48.19)

0.214

  Opioid use disorders

27.27

(24.12–30.66)

36.95

(25.52–50.06)

20.51

(15.07–27.29)

0.013

  Stimulant use disordersa

5.45

(3.95–7.48)

5.16

(3.38–7.80)

4.38

(2.18–8.61)

0.688

  Sedative use disorders

1.38

(1.15–1.67)

1.21

(0.85–1.71)

1.68

(1.05–2.68)

0.266

  Cannabis use disorders

0.34

(0.23–0.49)

0.54

(0.18–1.61)

0.31

(0.12–0.76)

0.443

  Other drug-related disordersb

3.14

(2.68–3.67)

3.27

(2.39–4.47)

2.28

(1.63–3.18)

0.119

 Alcohol use disorders

12.45

(11.07–13.96)

11.53

(8.66–15.20)

15.70

(10.32–23.16)

0.223

 Any non-addiction mental health disorder

11.07

(9.60–12.72)

11.83

(8.68–15.92)

15.08

(9.90–22.80)

0.351

  Mood disorders

9.22

(8.00–10.60)

9.67

(7.03–13.16)

12.43

(8.37–18.05)

0.323

  Schizophrenic/psychotic/ delusional disorders

1.21

(1.01–1.45)

1.41

(0.95–2.09)

1.37

(0.82–2.26)

0.922

  Anxiety disorders

0.26

(0.19–0.36)

0.29

(0.15–0.59)

0.54

(0.16–1.85)

0.391

  Adjustment disorders

0.30

(0.20–0.44)

0.37

(0.22–0.62)

0.70

(0.16–2.98)

0.414

  Personality/impulse-control/disruptive behavior disorders

0.08

(0.05–0.15)

0.08

(0.04–0.16)

0.05

(0.02–0.14)

0.377

Secondary diagnosis

 Any drug use disorder

80.16

(77.10–82.90)

68.08

(57.56–77.03)

87.04

(81.71–90.99)

< 0.001

  Drug withdrawal

13.77

(11.97–15.80)

10.11

(7.14–14.15)

17.33

(12.10–24.19)

0.030

  Opioid use disorders

47.73

(43.88–51.60)

35.59

(25.86–46.67)

55.25

(45.23–64.86)

0.009

  Stimulant use disordersa

24.79

(23.05–26.62)

20.41

(16.28–25.27)

24.35

(19.77–29.60)

0.246

  Sedative use disorders

11.83

(10.72–13.04)

8.44

(6.25–11.32)

16.07

(12.13–20.99)

0.002

  Cannabis use disorders

11.81

(10.81–12.89)

9.66

(7.15–12.93)

13.95

(11.29–17.12)

0.044

  Other drug-related disordersb

9.12

(8.30–10.00)

10.04

(7.53–13.26)

9.11

(7.09–11.64)

0.615

 Alcohol use disorders

36.12

(33.34–38.99)

29.44

(23.79–35.81)

33.63

(26.96–41.04)

0.375

 Any non-addiction mental health disorder

41.38

(39.24–43.55)

35.40

(29.13–42.22)

50.67

(44.93–56.40)

0.001

  Mood disorders

29.74

(28.08–31.45)

25.47

(20.90–30.65)

34.82

(30.19–39.77)

0.008

  Schizophrenic/psychotic/ delusional disorders

2.81

(2.53–3.13)

1.99

(1.47–2.69)

4.00

(2.75–5.79)

0.004

  Anxiety disorders

10.60

(9.70–11.57)

7.90

(6.31–9.85)

16.98

(13.68–20.88)

< 0.001

  Adjustment disorders

0.65

(0.56–0.75)

0.72

(0.48–1.07)

0.57

(0.40–0.80)

0.378

  Personality/impulse-control/disruptive behavior disorders

7.07

(6.25–7.98)

7.33

(5.50–9.71)

7.77

(5.71–10.50)

0.785

  1. CI confidence interval
  2. ‡We reduced the significant level to 0.01 due to a relatively large sample. Boldface: The estimate in 2003 in the category differed from the estimate in 2011 (p < 0.01)
  3. aStimulant included cocaine and amphetamine
  4. bOther drug-related disorders included drugs other than listed in the table defined by ICD-9-CM