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Table 3 Annual number of GP contacts (mean (SD)) for primary and secondary care IBS patients and matched controls specified per year before and after the diagnosis of IBS

From: Comparison of medical costs generated by IBS patients in primary and secondary care in the Netherlands

 

T = −3 Mean (SD)

T = −2 Mean (SD)

T = −1 Mean (SD)

Mean annual before (SD)

T = +1 Mean (SD)

T = +2 Mean (SD)

T = +3 Mean (SD)

Mean annual after Mean (SD)

Mean dif Mean (SD)

1. Consults and home visits during office hours

Primary care patients

6 (6)

7 (6)

6 (6)

8 (6)

8 (7)

8 (7)

8 (6)

2 (6)

 

Secondary care patients

6 (6)

7 (6)

10 (7)

8 (6)

9 (8)

9 (8)

10 (9)

9 (8)

1 (7)

 

Primary care controls

4 (4)

5 (5)

4 (5)

4 (5)

4 (5)

5 (6)

4 (5)

0 (5)

 

Secondary care controls

5 (5)

5 (6)

5 (5)

5 (5)

5 (5)

5 (5)

5 (6)

5 (5)

0 (5)

2. Consults and home visits outside office hours

Primary care patients

0 (1)

0 (1)

0 (1)

0 (1)

0 (1)

0 (0)

0 (1)

0 (1)

 

Secondary care patients

0 (1)

0 (1)

0 (1)

0 (1)

1 (2)

1 (1)

1 (2)

1 (2)

0 (1)

 

Primary care controls

0 (0)

0 (1)

0 (1)

0 (0)

0 (1)

0 (1)

0 (1)

0 (1)

 

Secondary care controls

0 (1)

0 (1)

0 (1)

0 (1)

0 (1)

0 (1)

0 (1)

0 (1)

0 (1)

3. Repeat prescriptions

Primary care patients

4 (6)

4 (5)

4 (6)

5 (7)

5 (7)

6 (8)

5 (7)

2 (7)

 

Secondary care patients

4 (6)

5 (6)

5 (6)

5 (6)

6 (7)

7 (8)

7 (8)

7 (7)

2 (7)

 

Primary care controls

4 (6)

4 (6)

4 (6)

4 (5)

4 (5)

4 (6)

4 (5)

0 (5)

 

Secondary care controls

4 (5)

4 (6)

4 (6)

4 (6)

4 (6)

4 (6)

4 (6)

4 (6)

0 (6)

  1. All p-values for the difference in means were not significant (p > 0.5). T = −3 indicates three years before diagnosis, T = +1 one year after diagnosis and so forth