Table 3 Number of deaths, mortality rates per 100 patients year and hazard ratios for all-cause death by blood pressure and frailty status of 535 hypertensive patients in the Nambu Cohort Study

 N

165

172

 Median age

75 (69–80)

76 (68–81)

 All-cause death

4

13

 Mortality rate (/100 patients year)

0.73

2.36

 Hazard ratios (95% confidence intervals)^a

Reference

2.99 (1.06–10.63)

 N

114

84

 Median age

82 (75–87)

84 (80–89)

 All-cause death

18

14

 Mortality rate (/100 patients year)

5.63

5.46

 Hazard ratios (95% confidence intervals)^a

5.18 (1.84–18.44)

3.78 (1.24–14.15)