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Table 2 Crude incidence rates of all-cause mortality by quartiles of PCS-12 and MCS-12.

From: Self-perceived quality of life predicts mortality risk better than a multi-biomarker panel, but the combination of both does best

  PCS-12 in quartiles
  1. Quartile 2. Quartile 3. Quartile 4. Quartile
N 1,054 1,065 1,021 1,119
Person-years 9,715 10,416 9,945 11,102
Number of Deaths (crude incidence rate per 1000 person-years) 221 (22.7) 93 (8.9) 81 (8.1) 61 (5.5)
  MCS-12 in quartiles
  1. Quartile 2. Quartile 3. Quartile 4. Quartile
N 1,070 1,103 1,023 1,063
Person-years 10,458 10,799 9964 9959
Number of Deaths (crude incidence rate per 1000 person-years) 96 (9.2) 90 (8.3) 97 (9.7) 173 (17.4)
  1. PCS-12, Physical Component Summary; MCS-12, Mental Component Summary.