Table 2 Hazard ratios (HRs) and 95% confidence intervals (CIs) of cardiovascular events in different BP groups

 No. of cases

427

207

1135

3781

 Incidence rate/1000 person-years

2.24

3.93

3.89

9.75

 Model^a

Reference

1.19 (1.01–1.42)^*

1.25 (1.11–1.40)^‡

2.30 (2.07–2.56)^‡

 <0.001

 Model^a,b

Reference

1.18 (0.99–1.40)

1.22 (1.09–1.37)^†

2.05 (1.84–2.29)^‡

 <0.001

 No. of cases

124

47

278

869

 Incidence rate/1000 person-years

0.65

0.88

0.94

2.18

 Model^a

Reference

0.86 (0.61–1.23)

1.04 (0.83–1.29)

1.66 (1.35–2.03)^‡

 <0.001

 Model^a,b

Reference

0.85 (0.60–1.21)

1.01 (0.81–1.26)

1.50 (1.22–1.85)^‡

 <0.001

 No. of cases

254

138

724

2430

 Incidence rate/1000 person-years

1.33

2.60

2.46

6.17

 Model^a

Reference

1.32 (1.06–1.63)^*

1.31 (1.13–1.52)^‡

2.44 (2.12–2.79)^‡

 <0.001

 Model^a,b

Reference

1.30 (1.05–1.61)^*

1.28 (1.11–1.49)^†

2.18 (1.90–2.51)^‡

 <0.001

 No. of cases

61

27

181

681

 Incidence rate/1000 person-years

0.32

0.50

0.61

1.70

 Model^a

Reference

1.28 (0.81–2.03)

1.45 (1.07–1.97)^*

3.26 (2.47–4.31)^‡

 <0.001

 Model^a,b

Reference

1.26 (0.80–2.00)

1.44 (1.06–1.94)^*

2.83 (2.12–3.77)^‡

 <0.001