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. 2009 Aug;4(8):1338–1346. doi: 10.2215/CJN.02130309

Table 4.

Cox proportional hazards models in 199 patients who received C-SLED

Variable No. of Patients HR (95% CI) P Value
Univariate
Age 199 0.999 (0.988–1.009) 0.83
Sex (female vs. male) 199 0.84 (0.58–1.22) 0.37
Primary cancer (solid vs. hematologic) 199 0.83 (0.58–1.18) 0.29
BMI 198 0.98 (0.96–1.007) 0.18
C-SLED duration 199 0.998 (0.996–1) 0.07
SOFA score 199 1.12 (1.07–1.18) 0.0001
BUNa 199 0.997 (0.98–1.01) 0.65
Serum creatininea 199 0.8 (0.66–0.98) 0.03
Serum albumina 199 0.68 (0.51–0.92) 0.01
Serum magnesiuma 199 1.31 (0.76–2.24) 0.33
Serum phosphatea 199 1.20 (1.08–1.33) 0.0005
Serum potassiuma 199 2.05 (1.48–2.84) 0.0001
Serum ionized calciuma 199 1 (0.81–1.24) 1.00
Blood pHa 199 0.001 (0–0.007) 0.0001
MAPa 199 0.97 (0.96–0.98) 0.0001
BUN at start of C-SLED 196 1.002 (0.996–1.007) 0.53
Serum creatinine at start of C-SLED 197 0.83 (0.73–0.94) 0.004
Serum albumin at start of C-SLED 167 0.75 (0.58–0.98) 0.035
TPN anytime during the first 48 h (yes vs. no) 199 0.62 (0.36–1.06) 0.07
Multivariate
Blood pHa 199 0.005 (0.001–0.04) <0.0001
MAPa 199 0.98 (0.96–0.99) 0.0002
SOFA Score 199 1.12 (1.07–1.19) <0.0001
Duration of SLED 199 0.997 (0.995–0.999) 0.004

BMI, body mass index; BUN, blood urea nitrogen; CI, confidence interval; C-SLED, continuous sustained low-efficiency dialysis; HR, hazard ratio; MAP, mean arterial pressure; SOFA, sequential organ failure assessment; TPN, total parenteral nutrition.

a

Indicates fitted as time-dependent variables.