. Author manuscript; available in PMC: 2017 May 30.

Published in final edited form as: Perit Dial Int. 2016 Sep 28;37(1):85–93. doi: 10.3747/pdi.2015.00227

TABLE 2.

Median (IQR) Achieved Peritoneal Clearance by BMI Category

BMI (kg/m²)	Kt_peritoneal	Kt/V_{actual -peritoneal}	Kt/V_{ideal -peritoneal}	Kt/V_{adjusted-peritoneal}	Kt/BSA _peritoneal
Underweight <18.5 (n=27)	47.85 (42.6–55.5)^a	1.75 (1.56–2.06)^b	1.61 (1.41–1.98)^b	1.65 (1.47–2.01)^b	32.06 (29.52–37.67)
Normal 18.5–25 (n=207)	58.59 (51.80–66.41)^a	1.73 (1.44–1.97)	1.74 (1.42–1.98)^b	1.72 (1.44–1.99)^b	34.59 (29.74–38.96)
Overweight 25–30 (n=172)	57.79 (51.85–64.70)^a	1.54 (1.27–1.77)^b	1.70 (1.41–2.03)^b	1.64(1.38–1.93)^b	31.04 (26.82–35.28)
Obese >30 (n=128)	61.69 (56.35–67.77)^a	1.42 (1.20–1.61)^b	1.83 (1.57–2.16)^b	1.66 (1.43–1.95)^b	30.07 (27.06–33.86)

IQR = interquartile range; BMI = body mass index; Kt = dialytic urea clearance; V = total body water; BSA = body surface area.

p value <0.01 for Kruskal Wallis test for between-BMI comparison.

p value <0.001 for paired t-test between each respective Kt/V values within BMI categories.