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Table 3 Unadjusted and multi-adjusted hazard ratios (HRs) for mortality were assessed for patients on dialysis, grouped by physical and mental component summary (PCS-36, MCS-36, PCS-12, and MCS-12) quartile scores

From: Mortality and health-related quality of life in prevalent dialysis patients: Comparison between 12-items and 36-items short-form health survey

  PCS-36 quartile score MCS-36 quartile score
  Unadjusted HR (95% CI) p-value Adjusted HR (95% CI) p-value Unadjusted HR (95% CI) p-value AdjustedB HR (95% CI) p-value
Q4 1 (reference)   1 (reference)   1 (reference)   1 (reference)  
Q3 3.516
(1.508, 8.196)
0.004 2.495
(1.041, 5.976)
0.040 1.720
(0.911, 3.249)
0.095 1.262
(0.616, 2.584)
0.525
Q2 2.599
(1.104, 6.119)
0.029 1.741
(0.721, 4.205)
0.218 1.634
(0.857, 3.115)
0.136 1.460
(0.735, 2.898)
0.280
Q1 4.547
(2.016, 10.259)
<0.001 2.675
(1.126, 6.355)
0.026 1.365
(0.698, 2.667)
0.363 1.676
(0.845, 3.327)
0.714
  PCS-12 quartile score MCS-12 quartile score
Q4 1 (reference)   1 (reference)   1 (reference)   1 (reference)  
Q3 2.248
(0.932, 5.423)
0.072 1.658
(0.630, 4.365)
0.306 1.262
(0.616, 2.584)
0.525 1.671
(0.859, 3.250)
0.130
Q2 3.618
(1.584, 8.263)
0.002 2.423
(0.964, 6.087)
0.060 1.460
(0.735, 2.898)
0.280 1.746
(0.907, 3.61)
0.095
Q1 4.056
(1.789, 9.194)
0.001 2.512
(1.009, 6.254)
0.048 1.676
(0.845, 3.327)
0.140 1.901
(0.978, 3.368)
0.058