Skip to main content

Table 1 Description of included studies

From: Is there excess mortality in women screened with mammography: a meta-analysis of non-breast cancer mortality

Clinical trial

Country-City

Year

Patient age

Type of examination

   

(years)

 

UK Age Trial [17, 18]

England, Wales, Scotland

1991

39-41

Mammography: 2 views, and then 1 view every 12 months

Goteborg [7, 8, 19, 20]

Goteborg, Sweden

1982

39-59

Mammography: 2 views, and then 1 view every 18 months, 4 to 5 screening rounds

Malmo [7, 8, 21, 22]

Malmo, Sweden

MMST 1: 1976

MMST 1: 44–68

Mammography: 2 views (first 2 rounds) and then 1 view every 18 to 24 months, 5 screening rounds

MMST 2: 1978

MMST 2: 45-50

Stockholm [8, 23]

Stockholm, Sweden

1981

40-64

Mammography: 1 view every 24 months, 2 screening rounds

Canada [2427]

15 centers, Canada

1980

NBSS-1: 40–49

NBSS-1:

Mammography: 2 views then 1 clinical examination every 12 months

NBSS-2:50-59

S: Self-examination training

C: Self-examination training + annual history taking

NBSS-2:

S: Mammography: 2 views then1 clinical examination every 12 months

C: Self-examination training and 1 clinical examination every 12 months

Edinburgh [34]

Edinburgh, Scotland

1978

45-64

S: Mammography : 2 views and then 1 view every 24 months

+ Clinical examination every 12 months

8 screening rounds

C: Self-examination

2 Swedish counties [2830]

Kopparberg, Ostergotland, Sweden

1977 Kopparberg

40-74

Mammography: 1 view

1978 Ostergoland

- every 24 months for women aged 40 to 49

-every 33 months for women over 49

2 screening rounds

New York [3133]

New York, USA

1963

40-64

Mammography: 2 views and then 1 view every 12 months

+ Clinical examination every 12 months

+ History taking only during the 1st round

4 screening rounds

  1. S: study group; C: control group.