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Table 2 All-cause mortality according to Vitamin D change

From: Change of vitamin D status and all-cause mortality among Chinese older adults: a population-based cohort study

  Cases and mortality cases Mortality (%) Total person-years Mortality density (per 100 person-years)
Total 1362(420) 30.84 3675.80 11.43
Vitamin D change
 Deficiency 704(281) 39.99* 1778.96 15.80*
 No deficiency to deficiency 227(57) 25.11 661.33 8.62
 Deficiency to no deficiency 215(45) 20.93 598.88 7.51
 No deficiency 216(37) 17.13 636.63 5.81
  1. *Comparison between groups P < 0.001