Skip to main content

Table 4 The annual percentage change (APC) of the publication ratio in gun violence studies from 1981 to 2018

From: Temporal trend of research related to gun violence from 1981 to 2018 in the United States: a bibliometric analysis

Lower year

Upper year

APC

95% confidence interval

P-value

  

Clinical sciences

1981

1996

20.86

(14.62, 27.43)

<.0001

1996

2004

2.99

(-3.36, 9.76)

0.3500

2004

2008

-25.99

(-45.58, 0.65)

0.0546

2008

2018

17.65

(13.96, 21.46)

<.0001

  

Life sciences

1981

1998

14.76

(9.50, 20.28)

<.0001

1998

2012

-4.99

(-8.23, -1.64)

0.0052

2012

2018

26.10

(16.77, 36.17)

<.0001

  

Social behavior sciences

1981

1984

-33.04

(-58.75, 8.70)

0.1009

1984

2001

12.44

(9.33, 15.64)

<.0001

2001

2011

-9.77

(-13.45, -5.93)

<.0001

2011

2018

16.96

(11.35, 22.85)

<.0001

  

Combined

1981

1984

-31.77

(-61.66, 21.42)

0.1837

1984

1996

17.76

(11.14, 24.76)

<.0001

1996

2002

2.95

(-7.55, 14.63)

0.5825

2002

2011

-8.37

(-12.84, -3.68)

0.0014

2011

2018

20.44

(15.06, 26.07)

<.0001