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Table 2 Coagulation parameters of examined patients and machine settings at the start of each treatment

From: Solute removal during continuous renal replacement therapy in critically ill patients: convection versus diffusion

Parameter

CVVH

CVVHD

P-value

INR

1.21 (0.98–1.95)

1.4 (0.95–2)

NS

PTTr

1.5 (0.85–2.1)

1.19 (0.87–1.89)

NS

PLT count × 1,000

248 (56–434)

231 (65–358)

NS

Antithrombin III (%)

75 (89-56)

69 (94-58)

NS

Hematocrit (%)

25 (21.5–35)

24.7 (22–34.5)

NS

Heparin (U/h)

500 (150–750)

500 (200–800)

NS

QB

150 (110–180)

135 (115–165)

NS

QREP (ml/h)

 

-

-

   Pre

1,450 (800–1,700)

  

   Post

1,500 (1,000–1,950)

  

QDIAL (ml/h)

-

2,150 (1,800–2,800)

-

Net UF

150 (50–350)

165 (45–300)

NS

Access pressure (mmHg)

-75 (-35 to -170)

-82 (-40 to -155)

NS

Return pressure (mmHg)

90 (65–178)

82 (46–160)

NS

Clotting/clogging

9/6

7/8

NS

  1. Data are presented as median with interquartile range in parentheses. CVVH, continuous veno-venous hemofiltration; CVVHD, continuous veno-venous dialysis; INR, international normalized ratio; NS, not significant; PLT, platelets; PTTr, partial thromboplastin time ratio; QB, blood flow; QREP, replacement solution flow (pre/post, pre-filter/post-filter re-infusion); QDIAL, dialysate flow; UF, ultrafiltration.