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Table 1 Ultrafiltration categories

From: Towards personalized fluid monitoring in haemodialysis patients: thoracic bioimpedance signal shows strong correlation with fluid changes, a cohort study

UF Category Median UF and IQR (mL) Number of patientsa Number of sessions
1 (0–899 mL) 600 [300–800] 8 25
2 (900–1999 mL) 1500 [1300–1700] 24 51
3 (2000–2999 mL) 2400 [2000–2500] 28 44
4 (> 2999 mL) 3200 [3000–3900] 8 13
  1. IQR interquartile range; UF ultrafiltration. aThe number of patients is 68 because two patients were in UF category 2 for one session, and in UF category 1 for another session