TABLE 8.
Death hazard ratios (and 95% CIs) of 5-y mortality according to percentage fat mass (FM%) in 391 male maintenance hemodialysis patients
| FM% quartiles |
|||||
| 1 (n = 98) | 2 (n = 98) | 3 (n = 99) | 4 (n = 96) | P for trend1 | |
| Unadjusted | 1.00 | 0.67 (0.36, 1.25) | 1.13 (0.66, 1.93) | 0.95 (0.54, 1.67) | 0.73 |
| Adjusted for age and sex | 1.00 | 0.41 (0.22, 0.76)2 | 0.47 (0.26, 0.85)2 | 0.47 (0.25, 0.82)2 | 0.04 |
| Adjusted for case mix3 | 1.00 | 0.36 (0.18, 0.69)2 | 0.50 (0.27, 0.91)2 | 0.43 (0.23, 0.80)2 | 0.04 |
| Adjusted for case mix + inflammation4 | 1.00 | 0.42 (0.20, 0.88)2 | 0.51 (0.26, 0.99)2 | 0.45 (0.23, 0.88)2 | 0.06 |
1
Derived by using a Cox proportional hazards model.
2
P < 0.05.
3
Case-mix variables included age, sex, race-ethnicity, diabetes mellitus, dialysis vintage, insurance, marital status, modified Charlson comorbidity score, dialysis dose [Kt/V (urea clearance over time)], and residual urine.
4
Inflammatory markers: C-reactive protein, interleukin-6, and tumor necrosis factor-α.