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Table 3 Mean impact factors of articles published in critical care medicine: 1995–2003

From: Worldwide research productivity in critical care medicine

World area

Year

 

1995

1996

1997

1998

1999

2000

2001

2002

2003

1995–2003

Western Europe

1.95

2.64

2.43

2.80

2.67

2.80

2.58

2.39

2.91

2.60

USA

2.30

3.01

2.80

2.98

3.16

3.21

3.09

3.07

3.39

3.01

Asia (excluding Japan)

1.10

1.49

1.44

1.57

1.72

2.06

1.59

1.76

2.19

1.70

Canada

2.79

3.66

3.38

3.62

4.10

3.92

3.77

3.71

4.20

3.70

Oceania

1.53

1.53

1.74

1.90

1.87

2.46

2.50

2.21

2.31

2.01

Japan

2.65

3.26

2.99

2.82

3.33

3.47

3.00

3.13

3.93

3.19

Eastern Europe

0.86

1.46

1.09

1.56

1.44

2.00

1.83

1.43

1.99

1.55

Latin America and the Caribbean

2.42

3.30

2.23

2.85

2.68

2.65

2.57

2.23

3.11

2.66

Africa

0.98

2.29

1.75

1.52

2.06

1.16

1.26

1.08

2.11

1.57

Mean (for all regions)

2.09

2.74

2.53

2.76

2.85

2.97

2.75

2.64

3.08

2.73

  1. Shown are the mean impact factors of articles published in journals included in the 'critical care medicine' category of the Journal Citation Report database and indexed by PubMed, from different world regions, for the period 1995–2003.