Table 4

 Mortality risk ratioes for the special causes of deaths in proportion to urinary β2-MG concentration

β2-MGnMennWomen
ObsHazard ratio(95% CI)ObsHazard ratio(95% CI)
β2-MG, urinary β2-microgrobulin concentration (μg/gCr); n, number of subjects; Obs, observed number of deaths; 95% CI, 95% confidence interval.
Malignant neoplasms
    <30010058611094401
    300–1000207170.79(0.46–1.34)327191.46(0.83–2.56)
    1000–10000161211.21(0.73–2.00)242212.15(1.22–3.80)
    ⩾100004330.78(0.24–2.52)8730.89(0.26–3.03)
Heart failure
    <30010052911094161
    300–100020790.88(0.41–1.89)327251.94(1.08–3.48)
    1000–10000161141.45(0.74–2.84)242263.05(1.73–5.35)
    ⩾100004383.69(1.62–8.39)87203.19(1.19–5.52)
Cerebral infarction
    <30010051811094121
    300–1000207132.4(1.15–4.98)327111.88(0.82–4.29)
    1000–10000161224.48(2.29–8.78)242213.58(1.71–7.51)
    ⩾100004365.36(2.04–8.78)87103.19(1.29–7.88)
Digestive diseases
    <3001005911094101
    300–100020784.19(1.57–11.2)32781.86(0.72–4.78)
    1000–1000016174.89(1.69–14.1)24271.85(0.67–5.09)
    ⩾100004312.99(0.36–24.9)8773.97(1.35–11.7)
Nephritis and nephrosis
    <300100541109411
    300–100020732.44(0.53–11.2)32725.43(0.48–61.5)
    1000–1000016165.67(1.47–12.8)24226.94(0.59–81.7)
    ⩾1000043418.15(4.24–77.6)87654.98(5.41–558.5)