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Table 1 Case numbers of the cohorts in the study

From: The population-based oncological health care study OVIS – recruitment of the patients and analysis of the non-participants

 

Melanoma

Breast cancer

Prostate cancer

 

N

%

N

%

N

%

Basic population

(cohort A)

1,503

100

5,248

100

4,738

100

non eligible patients

(cohort B)

741

49.3

2,882

54.9

2,512

53.0

eligible patients

(cohort C)

762

50.7

2,366

45.1

2,226

47.0

Participants

(cohort F)

608

40.5 *

[79.8]

1,927

36.7 *

[81.4]

1,750

36.9 *

[78.6]

Non-respondents

(cohort E)

154

10.2

[20.2]

439

8.4

[18.6]

476

10.0

[21.4]

Non-participants

(cohort D)

895

59.5

3,321

63.3

2,988

63.1

  1. * The value without parenthesis describes the study size (Percentage of the participants to the basic population). The value with parenthesis describes the recruiting efficiency proportion (Percentage of the participants to the eligible patients)