Table 5

 Adjusted hazard ratio (HR) from multivariate regression and a 95% confidence interval (CI) for all causes of death and selected categories of deaths (ICD-10 in parentheses), according to sex, age (in years), and the patient’s highest number of visits in any single calendar year

All causes of death (A00-Y89)Malignant neoplasms (C00-C97)Ischaemic heart diseases (I20-I25)Cerebrovascular diseases (I60-I69)
nHR95% CInHR95% CInHR95% CInHR95% CI
Ref, reference value. *Age in years.
Women10170.70.6 to 0.83120.70.6 to 0.81810.50.4 to 0.61261.00.8 to 1.3
Age*1.11.1 to to to to 1.1
1 visit16721.0Ref5411.0Ref3501.0Ref1811.0Ref
2 visits3201.41.2 to 1.51011.41.1 to 1.7741.41.1 to 1.9240.90.6 to 1.4
3+ visits1131.71.4 to 2.0361.81.3 to 2.5221.51.0 to 2.330.40.1 to 1.3