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Table 5 Rates of international collaboration (%) in the top 15 most productive countries and by world region, pneumonia research output (2001–2015)

From: A snapshot of pneumonia research activity and collaboration patterns (2001–2015): a global bibliometric analysis

 

Total

2001–2005

2006–2010

2011–2015

N docs

N docs Int col

%

N docs

N docs Int col

%

N docs

N docs Int col

%

N docs

N docs Int col

%

Country

 USA

8735

2300

26.33

2248

427

18.99

2907

761

26.18

3580

1112

31.06

 UK

1629

811

49.82

403

156

38.71

512

241

47.07

714

414

57.98

 Japan

1581

285

18.03

338

58

17.16

518

94

18.15

725

133

18.34

 Germany

1544

626

40.54

388

113

29.12

521

186

35.70

635

327

51.50

 France

1527

513

33.59

417

98

23.50

497

155

31.19

613

260

42.41

 Spain

1251

422

33.73

297

61

20.54

423

124

29.31

531

237

44.63

 Peoples R. China

1126

320

28.42

62

21

33.87

237

91

38.40

827

208

25.15

 Canada

1091

503

46.10

290

112

38.62

361

145

40.17

440

246

55.91

 Netherlands

911

414

45.44

205

69

33.66

279

127

45.52

427

218

51.05

 Italy

859

345

40.16

160

43

26.88

298

115

38.59

401

187

46.63

 Australia

734

355

48.37

150

65

43.33

225

111

49.33

359

179

49.86

 Brazil

600

216

36

74

30

40.54

213

75

35.21

313

111

35.46

 Switzerland

541

337

62.29

128

62

48.44

190

123

64.74

223

152

68.16

 South Korea

534

105

19.66

71

19

26.76

148

32

21.62

315

54

17.14

 Taiwan

509

83

16.31

64

11

17.19

149

23

15.44

296

49

16.55

Total international collaboration

22,593

4248

18.80

5442

781

14.35

7373

1351

18.32

9778

2116

21.64

Geographic area

 North America

9549

1276

13.36

2469

216

8.75

3187

407

12.77

3893

653

16.77

 Europe & Central Asia

9256

1033

11.16

2359

167

7.08

3110

341

10.96

3787

525

13.86

 East Asia & Pacific

4742

610

12.86

743

100

13.46

1374

209

15.21

2625

301

11.47

 Latin America & Caribbean

1099

249

22.66

174

45

25.86

366

68

18.58

559

136

24.33

 Middle East & North Africa

590

110

18.64

115

14

12.17

178

28

15.73

297

68

22.90

Sub-Saharan Africa

523

241

46.08

121

43

35.54

151

67

44.37

251

131

52.19

 South Asia

461

108

23.43

56

10

17.86

160

33

20.63

245

65

26.53

Total world region collaboration

22,593

3109

13.76

5442

536

9.85

7373

1007

13.66

9778

1566

16.02