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Table 1 Comparison of the background characteristics

From: Predicting factors of intradialytic hypotension in the last half of hemodialysis therapy

Characteristic IDH in the latter half Non-IDH P value
Number 16 28 NS
Gender (M/F) 8/8 17/11 NS
Age (year) 74.7 ± 11.3 76.4 ± 10.0 NS
Dialysis vintage (year) 4.3 [0.5–8.2] 3.1 [2.4–9.3] NS
Hypertension, n (%) 13 (81.3) 24 (85.7) NS
Diabetes mellitus, n (%) 10 (62.5) 11 (39.3) NS
Dyslipidemia, n (%) 3 (18.8) 4 (14.3) NS
Ischemic heart disease, n (%) 3 (18.8) 6 (21.4) NS
Use of anti-hypertensive drug, n (%)
 All types 12 (75.0) 24 (85.6) NS
 RAS inhibitor 9 (56.3) 9 (32.1) NS
History of coronary artery disease, n (%)
 PCI 2 (12.5) 2 (7.1) NS
 CABG 2 (12.5) 0 (0) NS
Body weight (kg)a 51.6 ± 8.4 51.9 ± 10.1 NS
Systolic blood pressure (mmHg)a 153 ± 29 137 ± 23 NS
Diastolic blood pressure (mmHg)a 75 ± 16 70 ± 16 NS
Heart rate (beat/minute)a 77 ± 10 75 ± 15 NS
Dialysis time 3.8± 0.5 3.8± 0.4 NS
Amount of removed water/treatment time (kg/h)b 0.60 ± 0.21 0.50 ± 0.26 NS
Amount of removed water/treatment time/BW (1/h)b 0.012 ± 0.003 0.010 ± 0.004 NS
  1. Mean ± SD, median [interquartile range]
  2. PCI percutaneous coronary intervention, CABG coronary artery bypass grafting, BW body weight
  3. aAt the start of dialysis therapy
  4. bDuring first half of dialysis session