Table 3 The mortality and hazard ratios associated with sodium excretion and mortality in the tertiles of urinary sodium excretion

From: Urinary sodium excretion and risk of cardiovascular disease in the Chinese population: a prospective study

 

T1 (n = 318)

T2 (n = 318)

T3 (n = 318)

P for trend

All-cause deaths

 Person-years

5469

5461

5451

 

 No. of events

48

44

57

 

 Mortalitya

8.78

8.06

10.46

 

 Model 1b

1 (ref)

0.82 (0.54–1.23)

1.09 (0.74–1.61)

0.504

 Model 2c

1 (ref)

0.77 (0.49–1.19)

1.04 (0.64–1.67)

0.669

 Model 3d

1 (ref)

0.74 (0.47–1.15)

0.94 (0.58–1.53)

0.972

CVD deaths

 No. of events

6

9

16

 

 Mortalitya

1.10

1.65

2.93

 

 Model 1b

1 (ref)

1.18 (0.41–3.42)

2.38 (0.93–6.11)

0.040

 Model 2c

1 (ref)

1.25 (0.41–3.77)

2.67 (0.90–7.89)

0.043

 Model 3d

1 (ref)

1.08 (0.36–3.30)

1.90 (0.64–5.63)

0.171

Cancer deaths

 No. of events

21

16

19

 

 Mortalitya

3.84

2.93

3.49

 

 Model 1b

1 (ref)

0.71 (0.37–1.36)

0.83 (0.45–1.56)

0.644

 Model 2c

1 (ref)

0.63 (0.31–1.28)

0.81 (0.37–1.76)

0.708

 Model 3d

1 (ref)

0.62 (0.31–1.26)

0.84 (0.38–1.85)

0.788

Other-cause deaths

 No. of events

21

19

22

 

 Mortalitya

3.84

3.48

4.04

 

 Model 1b

1 (ref)

0.82 (0.44–1.52)

0.97 (0.53–1.77)

0.994

 Model 2c

1 (ref)

0.73 (0.37–1.43)

0.75 (0.35–1.61)

0.524

 Model 3d

1 (ref)

0.69 (0.35–1.37)

0.66 (0.30–1.45)

0.357

  1. CVD cardiovascular disease, ref reference category
  2. aMortality per 1000-person year
  3. bModel 1 adjusted for age, sex
  4. cModel 2 further adjusted for area (urban or rural), type of work, smoking, alcohol consumption, total cholesterol, fasting blood glucose, body mass index, region (north or south), educational level, physical exercise, percentage of energy from saturated fat
  5. dModel 3 adjusted for factors in model 2 and systolic blood pressure, taking antihypertensive drugs