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Table 2 Distribution of the reporting quality variables and median of the number of citations received by the publishing journal.

From: The relationship between quality of research and citation frequency

 

AGP

AJP

BJP

NJP

Total

P-value of chi square test

 

N

(%)

Md

N

(%)

Md

N

(%)

Md

N

(%)

Md

N

(%)

 

Research question

              

< 0.001

â–ªnot stated

18

(20.0)

50.5

38

(28.1)

32

78

(42.4)

19.5

21

(53.8)

1

155

(34.6)

 

â–ªstated

72

(80.0)

73.5

97

(71.9)

33

106

(57.6)

20.5

18

(46.2)

1

293

(65.4)

 

Primary outcome

              

0.004

â–ªnot stated

20

(22.2)

49.5

28

(20.7)

36

45

(24.5)

20

19

(48.7)

0

112

(25.0)

 

â–ªstated

70

(77.8)

74

107

(79.3)

32

139

(75.5)

20

20

(51.3)

1.5

336

(75.0)

 

Sample size

              

0.047

â–ªnot reported

12

(13.3)

58

16

(11.9)

33.5

42

(22.8)

16

8

(20.5)

1

78

(17.4)

 

â–ªreported

78

(86.7)

65.5

119

(88.1)

33

142

(77.2)

23

31

(79.5)

1

370

(82.6)

 

Incomplete description of procedures

              

< 0.001

â–ªyes

7

(7.8)

63

21

(15.6)

24 a

66

(35.9)

16 b

19

(48.7)

1

113

(25.2)

 

â–ªno

83

(92.2)

65

114

(84.4)

34

118

(64.1)

24

20

(51.3)

0.5

335

(74.8)

 

All

90

  

135

  

184

  

39

  

448

  
  1. The statistical significance of differences of the medians between variable categories was tested with Mann-Whitney U test. The two with p < 0.05 are in bold.
  2. a p-value of Mann-Whitney U test is 0.020.
  3. bp-value of Mann-Whitney U test is 0.039.
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BMC Medical Research Methodology

ISSN: 1471-2288

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