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Table 1 Characteristics of patients according to treatment with renal replacement therapy (RRT)

From: Population-based incidence, mortality and quality of life in critically ill patients treated with renal replacement therapy: a nationwide retrospective cohort study in finnish intensive care units

Characteristic RRT
N= 1,686
Non-RRT
N= 23,218
P-value
Age - median (IQR) (yr) 63 (52 to 72) 62 (50 to 73) 0.173
Male gender - no./total no. (%) 1,143/1,685 (67.8%) 14,641/23,200 (63.1%) < 0.001
SAPS II score - median (IQR) 48 (37 to 62) 33 (23 to 46) < 0.001
SOFA (1.d) score - median (IQR) 10 (7 to 13) 6 (3 to 8) < 0.001
Mean daily TISS score - median (IQR) 36.4 (29.7 to 43.2) 28.7 (22.4 to 35.0) < 0.001
Emergency admission - no./total no. (%) 1,558/1,684 (92.5%) 19,122/23,202 (82.4%) < 0.001
Surgical admission- no./total no. (%) 410/1,685 (24.3%) 9,426/23,208 (40.6%) < 0.001
Sepsis/severe sepsis - no./total no.(%) 510/1,681 (30.3%) 3,753/23,101 (16.2%) < 0.001
Mechanical ventilation - no./total no. (%) 1,014/1,642 (61.8%) 11,116/22,409 (49.6%) < 0.001
Vasoactives-no./total no. (%) 1,067/1,671 (63.9%) 9,556/23,175 (41.2%) < 0.001
Creatinine - median (IQR) (micromol/L) 210 (119 to 352)* 72 (56 to 101)† < 0.001
Urine output - median (IQR) (mL/d) 829 (232 to 1,947) 2,355 (1,555 to 3,390) < 0.001
  1. IQR, Interquartile range (25th to 75th percentiles); SAPS, Simplified Acute Physiology Score; SOFA, Sequential Organ Failure Assessment; TISS, Therapeutic Intervention Scoring System. * Data missing for 5% of cases. †Data missing for 7% of cases.