Table 3. Differences in dialysis and hemodynamic session variables between cases (falls) and controls (no falls) in hemodialysis patients (n=31) at the Nephrology Service of the Infanta Leonor University Hospital. Madrid, Spain, 2019.

Hemodialysis (HD) session variables	Cases	Controls
UF*	2801.9 ± 764.28	2384.37 ± 976.17	p † = 0.251
Kt ‡	57.16 ± 4.94	58.4 ± 5.45	p † = 0.567
Kt/v §	1.79 ± 0.3	1.92 ± 0.42	p † = 0.375
Hemodynamic variables
SBP || preHD ¶ (mmHg)	135.25 ± 20.17	139.65 ± 27.2	p † = 0.88
DBP** preHD ¶ (mmHg)	70.66 ± 14.26	70.35 ± 10.97	p † = 0.95
SBP || postHD †† (mmHg)	129.22 ± 27.67	138.95 ± 21.61	p † = 0.31
DBP** postHD †† (mmHg)	69.22 ± 13.53	73.1 ± 12.16	p † = 0.45
HR ‡‡ preHD ¶ (bpm §§ )	71.6 ± 9.86	79.09 ± 13.45	p † = 0.13
HR ‡‡ postHD †† (bpm §§ )	72.1 ± 8.67	81.24 ± 12.27	p † = 0.044 *
PreHD weight ¶ (kg)	79.1 ± 13.82	71.62 ± 21.16	p † = 0.32
PostHD weight †† (kg)	76.76 ± 13.54	70.01 ± 20.69	p † = 0.36
Intradialysis weight difference (kg) ||||	2.34 ± 0.88	1.61 ± 0.89	p † = 0.042

^*UF = Ultrafiltration;

^†p = Level of significance;

^‡Kt = Urea clearance multiplied by dialysis time;

^§Kt/v = Kt divided by the volume of distribution of urea;

^||SBP = Systolic blood pressure;

^¶preHD = Pre dialysis;

^**DBP = Diastolic blood pressure;

^††PostHD = Post dialysis;

^‡‡HR = Heart rate;

^§§bpm = Beats per minute;

^||||kg = kilogram