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Table 2 New starts on LAI SGAs among study sample: 2007–2015 with comparison to 2011

From: Can multisite clinical trial results change clinical practice? Use of long-acting injectable risperidone nationally in the Veterans Health Administration

Year

Patients with any antipsychotics

New starts on

LAI risperidone

New starts on

LAI paliperidone

New starts on

SGA LAIs

(excluding

LAI risperidone and paliperidone)+

New starts on

all LAI SGAs

N

%

N

%

N

%

N

%

2007

67,023

1574

2.3^

0

0

0

0

1574

2.3^

2008

68,616

1542

2.2^

0

0

0

0

1542

2.2^,#

2009

70,468

1543

2.2^

30

0^

0

0

1573

2.2^,#

2010

71,346

1383

1.9#

560

0.8^,#

1

0

1944

2.7^,#

2011*

72,000

1244

1.7

1338

1.9

1

0

2583

3.6

2012

72,410

1102

1.5

1645

2.3^

3

0

2750

3.8^

2013

72,535

1100

1.5

1890

2.6^,#

23

0

3013

4.2^,#

2014

72,371

988

1.4^

2090

2.9^,#

73

0.1

3151

4.4^,#

2015

73,008

771

1.1^,#

2503

3.4^,#

180

0.2

3454

4.7^,#

All years

115,172

11,929

10.0%

13,229

11.1%

566

0.5%

25,724

21.5%

Change

5985

 − 803

 − 1.2%

2503

3.4%

180

0.25%

1880

2.4%

Percent change

8.9%

 − 51.0%

 − 52.2%

–-

–-

–-

–-

119.4%

104.3%

  1. *Used as the reference year to define pre- and post-publication of a cooperative study (CSP#555)
  2. ^Statistically significant difference as compared to the reference year
  3. #Statistically significant difference when compared to the previous year (excluding comparisons with the reference year)
  4. +Sample was too small to conduct a statistical model