Table 2 Number of records (reviews and protocols) screened and included per Cochrane Review Group in descending order by number of records included

Pregnancy and Childbirth

602

73

16

Neonatal

407

64

15

Metabolic and Endocrine Disorders

149

33

9

Developmental, Psychosocial and Learning Problems

192

26

11

Heart

193

18

10

Kidney and Transplant

212

18

10

Public Health

47

2

19

Acute Respiratory Infections

163

18

1

Cystic Fibrosis and Genetic Disorders

171

16

3

Inflammatory Bowel Diseases

115

14

5

Dementia and Cognitive Improvement

167

13

5

Hepato-Biliary

299

12

5

Musculoskeletal

281

11

6

Hypertension

95

13

3

Airways

346

12

3

Neuromuscular

153

9

3

Upper GI and Pancreatic Diseases

122

5

7

Infectious Diseases

157

10

1

HIV/AIDS

149

9

1

Colorectal Cancer

179

5

4

Injuries

177

8

1

Oral Health

205

7

2

Pain, Palliative and Supportive Care

242

8

1

Wounds

165

6

2

Common Mental Disorders

213

5

2

Gynaecology and Fertility

236

7

0

Schizophrenia

268

4

3

Vascular

178

5

2

Anaesthesia, Critical and Emergency Care Group

244

4

2

Eyes and Vision

196

5

1

Gynaecological, Neuro-oncology and Orphan Cancer

198

4

2

Bone, Joint and Muscle Trauma

146

2

2

Childhood Cancer

43

3

1

Stroke

212

2

2

Ear, Nose and Throat

141

1

2

Effective Practice and Organisation of Care

162

2

1

Epilepsy

101

2

1

Multiple Sclerosis and Rare Diseases of the CNS

61

3

0

Skin

114

3

0

Consumers and Communication

79

2

0

Movement Disorders

92

2

0

Sexually Transmitted Infections

23

1

1

Tobacco Addiction

82

1

1

Urology

52

1

1

Drugs and Alcohol

97

1

0

Haematological Malignancies

99

0

1

Incontinence

94

0

1

Back and Neck

87

0

0

Breast Cancer

76

0

0

Fertility Regulation

87

0

0

Lung Cancer

38

0

0

Methodology Review

39

0

0

Work

38

0

0

Totals

8484

470

169