Supplemental Table 1: Comparison of characteristics of participants with and without ABPM (n=366)

Characteristic / ABPM not available*
(n=140) / ABPM available
(n=226) / p-value
Age, years / 12 (8,16) / 12 (9, 15) / .94
Female Gender / 39% (55) / 40% (91) / .85
Race / .081
Caucasian / 68% (95) / 77% (174)
African American / 21% (30) / 13% (29)
Other / 11% (15) / 10% (22)
Hispanic Ethnicity / 12% (17) / 16% (35) / .38
Weight percentile / 47 (19, 79) / 39 (17, 72) / .16
Height percentile / 29 (11, 54) / 22 (6, 48) / .11
BMI percentile / 60 (35, 90) / 59 (30, 82) / .48
% Obese, BMI>95th percentile / 18% (24) / 14% (31) / .36
Low birth weight, <2500 g / 21% (28) / 17% (37) / .30
Premature birth, <36 weeks / 25% (35) / 20% (44) / .26
Glomerular CKD / 22% (30) / 19% (42) / .51
Duration of CKD, years / 8 (4, 12) / 7 (4, 11) / .32
LVH / 16.4% / 16.8% / .92

BMI, body mass index; CKD, chronic kidney disease; LVH, left ventricular hypertrophy

* Causes include young age, poor ABPM quality, participant refusal and other logistical and technical issues.

Supplemental Table 2: Participating Centers

Midwest sites / Clinical Site Principal Investigator
Children’s Mercy Hospital, Kansas City / Bradley Warady, MD
Medical College of Wisconsin / Cynthia Pan, MD
University of New Mexico Children’s Hospital / Craig Wong, MD
Oregon Health Science University / Amira Al-Uzri, MD
Cincinnati Children’s Hospital and Medical Center / Jens Goebel, MD; Fred Strife, MD
Stanford University Medical Center / Cynthia Wong, MD*; Steven Alexander, MD
Children’s Hospital of Boston / Nancy Rodig, MD*; William Harmon, MD
British Columbia Children’s Hospital / Colin White, MD, FRCPC, FAAP
Children’s Hospital of Alabama / Mark Benfield, MD
St. Louis Children’s Hospital / S. Paul Hmiel, MD
Rainbow Babies and Children’s Hospital / Beth Vogt, MD
University of Wisconsin / Sharon Bartosh, MD
Oklahoma University Health Sciences Center / Martin Turman, MD, PhD
Children’s Hospital and Medical Center Seattle / Joseph Flynn, MD
Cardinal Glennon Hospital / Ellen Wood, MD
Children’s Hospital of Winnipeg / Tom Blydt-Hansen, MD
LeBonheur Children’s Medical Center / Deborah Jones, MD
University of California Los Angeles / Isidro Salusky, MD; Ora Yadin, MD
University of California San Diego / Nadine Benador, MD*; Robert Mak, MD, PhD
Children’s Medical Center Dallas / Mouin Seikaly, MD
Children’s Hospital of Los Angeles / Gary Lerner, MD
UCSF Children’s Renal Center / Anthony Portale, MD
Egleston Children’s Hospital-Emory University / Larry Greenbaum, MD, PhD
Northwest Pediatric Kidney Specialist / Randy Jenkins, MD
East Coast Sites / Clinical Site Principal Investigator
Johns Hopkins Children’s Center / Susan Furth, MD, PhD*; Barbara Fivush, MD
Children’s Hospital of Michigan / Taj Matoo
Children’s Memorial Hospital, Northwestern Univ. / Craig Langman, MD
Children’s National Medical Center / Kanwal Kher, MD
Nationwide Children’s Hospital, Ohio State Univ. / Mark Mentser, MD
INOVA Fairfax Hospital for Children / Lynne Yao, MD
Riley Hospital for Children / Sharon Andreolli, MD, PhD
University of Maryland / Susan Mendley, MD
University of Michigan, Mott Hospital / Katherine Collins, MD*; Susan Thomas, MD
University of North Carolina / Debbie Gibson, MD
University of Texas-Houston / Joshua Samuels, MD
Maria Fareri Children’s Hospital, Westchester, NY / Robert Weiss, MD
Children’s Hospital at Montefiore / Frederick Kaskel, MD, PhD
Maimonides Medical Center / Juan Kupferman, MD
Mount Sinai Medical Center / Jeffrey Saland, MD
University of Rochester Medical Center / Marc Lande, MD*, George Schwartz, MD
University of Virginia / Victoria Norwood, MD
Robert Wood Johnson Medical School - UMDNJ / Lynne Weiss, MD
University of Florida / Vikas Dharnidharka, MD
DeVos Children’s Hospital / Gina-Marie Barletta, MD*; Timothy Bunchman, MD
Carolinas Medical Center / Susan Massengill, MD
University of Illinois, Chicago / Guillermo Hidalgo, MD

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