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©2013 Baishideng Publishing Group Co.
World J Diabetes. Oct 15, 2013; 4(5): 202-209
Published online Oct 15, 2013. doi: 10.4239/wjd.v4.i5.202
Published online Oct 15, 2013. doi: 10.4239/wjd.v4.i5.202
Table 1 Characteristics of 890 adolescents who underwent bariatric surgery between 2004 and 2010
Characteristic | n (%) | Baseline BMI Z | P |
score, mean ± SD | |||
Sex | < 0.001 | ||
Boys | 225 (25.3) | 3.14 ± 0.24 | |
Girls | 665 (74.7) | 2.41 ± 0.19 | |
Type of surgery | < 0.001 | ||
Gastric bypass | 454 (51.0) | 2.67 ± 0.38 | |
Adjustable gastric band | 436 (49.0) | 2.53 ± 0.36 | |
Race | |||
Non-hispanic white | 606 (68.1) | 2.57 ± 0.37 | Reference |
Hispanic | 129 (14.5) | 2.68 ± 0.40 | 0.0041 |
Non-hispanic black | 98 (11.0) | 2.67 ± 0.34 | 0.022 |
Other | 57 (6.4) | 2.60 ± 0.42 |
Table 2 Estimated anthropometric values of morbidly obese adolescents at baseline to 1 year after bariatric surgery by ethnicity
Measurement | Non-hispanic whites, | Non-hispanic blacks, | Hispanics, | Overall, |
estimate (95%CI) | estimate (95%CI) | estimate (95%CI) | estimate1 (95%CI) | |
Baseline | ||||
n | 601 | 98 | 128 | 827 |
BMI (kg/m2) | 47.9 (47.3-48.4) | 51.7 (50.1-53.4) | 48.9 (47.7-50.2) | 48.5 (48.0-49.0) |
BMI (%) | 99.3 (99.2-99.4) | 99.5 (99.4-99.6) | 99.4 (99.3-99.5) | 99.4 (99.3-99.4) |
Weight (kg) | 136.8 (135.0-138.6) | 147.9 (142.5-153.3) | 137.7 (134.1-141.3) | 138.4 (136.8-140.0) |
3 mo after surgery | ||||
n | 536 | 88 | 115 | 739 |
BMI (kg/m2) | 43.9 (43.4-44.5) | 47.9 (46.4-49.4) | 44.5 (43.3-45.6) | 44.48 (43.98-44.97) |
BMI (%) | 99.0 (98.0-99.1) | 99.3 (99.2-99.4) | 99.1 (99.0-99.2) | 99.02 (98.96-99.08) |
Weight (kg) | 125.6 (123.9-127.4) | 137.0 (132.0-141.9) | 125.1 (121.7-128.4) | 126.84 (125.33-128.35) |
EWL (kg) | 10.7 (10.1-11.3) | 10.57 (9.11-12.04) | 12.3 (10.5-14.1) | 10.9 (10.4-11.5) |
EWL (%) | 7.8 (7.3-8.2) | 6.9 (6.0-7.8) | 8.6 (7.4-9.7) | 7.8 (7.4-8.2) |
6 mo after surgery | ||||
n | 380 | 54 | 78 | 512 |
BMI (kg/m2) | 39.0 (38.3-39.7) | 44.1 (42.4-45.7) | 39.9 (38.5-41.2) | 39.70 (39.1-40.3) |
BMI (%) | 97.0 (96.5-97.5) | 98.9 (98.6-99.1) | 97.8 (97.3-98.3) | 97.3 (96.9-97.7) |
Weight (kg) | 111.7 (109.7-113.7) | 125.7 (120.4-131.0) | 111.9 (108.2-115.6) | 113.3 (111.6-115.0) |
EWL (kg) | 25.1 (24.1-26.0) | 22.3 (19.7-25.0) | 25.4 (22.8-28.0) | 24.8 (23.9-25.7) |
EWL (%) | 18.3 (17.66-19.0) | 14.5 (12.9-16.1) | 18.1 (16.2-19.9) | 17.8 (17.2-18.4) |
12 mo after surgery | ||||
n | 193 | 26 | 28 | 247 |
BMI (kg/m2) | 36.6 (35.7-37.4) | 40.3 (37.5-43.0) | 36.7 (34.7-38.8) | 37.0 (36.3-37.8) |
BMI (%) | 94.7 (93.6-95.7) | 96.8 (94.3-99.2) | 94.7 (92.2-97.2) | 94.9 (94.0-95.8) |
Weight (kg) | 104.6 (102.1-107.0) | 114.7 (106.4-123.0) | 103.1 (97.3-109.0) | 105.6 (103.4-107.8) |
EWL (kg) | 32.8 (30.9-34.7) | 33.8 (27.3-40.3) | 34.3 (30.0-38.5) | 33.1 (31.4-34.82) |
EWL (%) | 23.6 (22.3-24.9) | 21.6 (17.4-25.7) | 24.7 (21.8-27.7) | 23.5 (22.4-24.7) |
Table 3 Estimated anthropometric values from morbidly obese boys 1 year after bariatric surgery by ethnicity
Measurement | Non-hispanic whites, | Non-hispanic blacks, | Hispanics, | Overall, |
estimate (95%CI) | estimate (95%CI) | estimate (95%CI) | estimate1 (95%CI) | |
Before surgery | ||||
n | 142 | 23 | 42 | 207 |
BMI (kg/m2) | 51.2 (49.8-52.7) | 52.3 (49.0-55.5) | 52.8 (50.8-54.9) | 51.68 (50.53-52.84) |
BMI (%) | 99.9 (99.6-100.0) | 99.9 (99.8-100.0) | 99.9 (99.8-100.0) | 99.9 (99.8-100..0) |
Weight (kg)2 | 162.4 (158.0-166.7) | 166.7 (155.3-178.2) | 161.8 (155.8-167.8) | 162.8 (159.3-166.3) |
3 mo after surgery | ||||
n | 127 | 21 | 38 | 186 |
BMI (kg/m2) | 46.9 (45.5-48.3) | 47.5 (44.8-50.2) | 47.1 (45.2-48.9) | 46.9 (45.9-48.1) |
BMI (%) | 99.7 (99.6-99.8) | 99.9 (99.7-99.9) | 99.8 (99.7-99.9) | 99.8 (99.7-99.9) |
Weight (kg)2 | 148.5 (144.1-152.8) | 151.7 (141.7-161.7) | 144.3 (138.6-149.9) | 148.0 (144.5-151.4) |
EWL (kg)2 | 13.2 (11.7-14.6) | 14.4 (10.9-17.9) | 17.3 (13.3-21.3) | 14.1 (12.8-15.4) |
EWL (%) | 8.1 (7.3-8.9) | 8.5 (6.6-10.3) | 10.4 (8.2-12.6) | 8.6 (7.9-9.4) |
6 mo after surgery | ||||
n | 83 | 17 | 26 | 126 |
BMI (kg/m2) | 41.9 (40.3-43.9) | 43.4 (40.9-45.9) | 41.8 (39.9-43.6) | 42.0 (40.8-43.2) |
BMI (%) | 98.7 (98.1-99.3) | 99.6 (99.4-99.8) | 99.6 (99.4-99.7) | 98.9 (98.6-99.4) |
Weight (kg)2 | 132.7 (127.8-137.6) | 138.5 (129.8-147.1) | 128.1 (122.4-133.8) | 132.4 (128.7-136.1) |
EWL (kg)2 | 29.7 (27.4-31.9) | 28.1 (22.8-33.5) | 34.0 (29.6-38.4) | 30.3 (28.4-32.1) |
EWL (%) | 18.3 (16.8-19.8) | 16.2 (13.9-18.6) | 20.5 (18.2-22.8) | 18.4 (17.3-19.6) |
12 mo after surgery23 | ||||
n | 49 | 7 | 9 | 65 |
BMI (kg/m2) | 39.6 (37.8-41.5) | 40.2 (35.5-44.8) | 37.0 (34.0-40.0) | 39.3 (37.8-40.9) |
BMI (%) | 97.5 (95.8-99.1) | 98.6 (96.9-100.4) | 98.2 (96.8-99.7) | 97.7 (96.5-98.9) |
Weight (kg)2 | 125.3 (119.6-130.9) | 127.9 (113.3-142.5) | 113.7 (104.6-122.9) | 128.7 (118.9-128.5) |
EWL (kg)2 | 37.9 (33.7-42.1) | 40.4 (26.8-54.0) | 47.9 (41.2-54.6) | 40.1 (36.5-43.7) |
EWL (%) | 22.9 (20.4-25.4) | 23.0 (16.0-30.0) | 29.4 (25.2-33.6) | 24.0 (21.9-26.2) |
Table 4 Mean anthropometric values from morbidly obese girls 1 year after bariatric surgery by ethnicity
Measurement | Non-hispanic whites, | Non-hispanic blacks, | Hispanics, | Overalls, |
estimate (95%CI) | estimate (95%CI) | estimate (95%CI) | Estimate1 (95%CI) | |
Before Surgery | ||||
n | 459 | 75 | 86 | 620 |
BMI (kg/m2) | 46.8 (46.2-47.5) | 51.6 (49.6-53.6) | 47.0 (45.5-48.6) | 47.5 (46.9-48.1) |
BMI (%) | 99.1 (99.0-99.2) | 99.4 (99.3-99.5) | 99.2 (99.0-99.3) | 99.2 (99.1-99.3) |
Weight (kg) | 129.1 (127.18-131.1) | 141.6 (135.4-147.7) | 125.9 (121.5-130.4) | 130.3 (128.6-132.1) |
3 mo after surgery | ||||
n | 409 | 67 | 77 | 553 |
BMI (kg/m2) | 43.0 (42.4-43.6) | 48.0 (46.3-49.8) | 43.3 (41.8-44.7) | 43.7 (43.1-44.2) |
BMI (%) | 98.7 (98.6-98.8) | 99.1 (98.9-99.2) | 98.7 (98.5-98.9) | 98.8 (98.7-98.9) |
Weight (kg) | 118.7 (116.9-120.5) | 131.9 (126.3-137.6) | 116.0 (111.8-120.2) | 119.9 (118.2-121.6) |
EWL (kg) | 9.9 (9.3-10.7) | 9.2 (7.6-10.7) | 9.8 (8.0-11.6) | 9.8 (9.2-10.4) |
EWL (%) | 7.7 (7.1-8.2) | 6.3 (5.3-7.4) | 7.7 (6.3-9.1) | 7.5 (7.0-7.9) |
6 mo after surgery | ||||
n | 297 | 37 | 52 | 386 |
BMI (kg/m2) | 38.1 (37.4-38.8) | 44.4 (42.3-46.4) | 39.0 (37.1-40.8) | 38.9 (38.3-39.6) |
BMI (%) | 96.5 (95.9-97.1) | 98.6 (98.3-98.9) | 96.9 (96.2-97.7) | 96.8 (96.3-97.2) |
Weight (kg) | 105.3 (103.2-107.4) | 121.8 (115.4-128.3) | 104.2 (99.3-109.1) | 107.0 (105.1-108.8) |
EWL (kg) | 23.7 (22.6-24.8) | 20.0 (16.9-23.2) | 21.2 (17.9-24.5) | 22.9 (21.9-24.0) |
EWL (%) | 18.3 (17.5-19.1) | 13.8 (11.7-15.8) | 16.9 (14.4-19.5) | 17.6 (16.9-18.4) |
12 mo after surgery | ||||
n | 149 | 19 | 19 | 182 |
BMI (kg/m2) | 35.6 (34.7-36.6) | 40.32 (36.96-43.67) | 36.65 (34.15-39.16) | 36.28 (35.40-37.17) |
BMI (%) | 93.9 (92.6-95.1) | 96.10 (92.81-99.39) | 92.99 (89.48-96.51) | 93.99 (92.87-95.12) |
Weight (kg) | 98.3 (95.5-101.0) | 110.4 (100.5-120.2) | 98.0 (91.3-104.6) | 99.6 (97.1-102.1) |
EWL (kg) | 31.2 (29.1-33.4) | 31.4 (24.0-38.8) | 27.8 (22.9-32.6) | 30.9 (28.9-32.8) |
EWL (%) | 23.8 (22.3-25.2) | 21.1 (16.1-26.2) | 22.5 (18.7-26.3) | 23.4 (22.0-24.7) |
Table 5 Mean change in anthropometric values from before to 1 year after bariatric surgery by ethnicity
Measure | Estimated change 12 mo after surgery (mean ± SE) | P | |||||
NHW | NHB | Hispanic | Overall | NHWvsNHB | NHWvsHispanic | NHBvsHispanic | |
BMI (kg/m2) | -11.4 ± 0.5 | -11.2 ± 1.6 | -12.7 ± 1.2 | -11.5 ± 0.4 | 0.87 | 0.29 | 0.41 |
BMI (%) | -4.7 ± 0.6 | -2.7 ± 1.3 | -4.9 ± 1.3 | -4.6 ± 0.5 | 0.2 | 0.89 | 0.29 |
Weight (kg) | -32.2 ± 1.3 | -32.3 ± 4.6 | -36 ± 3.5 | -32.6 ± 1.2 | 0.89 | 0.31 | 0.44 |
Table 6 Effect of baseline body mass index on weight loss 1 year after bariatric surgery
- Citation: Messiah SE, Lopez-Mitnik G, Winegar D, Sherif B, Arheart KL, Reichard KW, Michalsky MP, Lipshultz SE, Miller TL, Livingstone AS, Cruz-Muñoz NL. Effect of ethnicity on weight loss among adolescents 1 year after bariatric surgery. World J Diabetes 2013; 4(5): 202-209
- URL: https://www.wjgnet.com/1948-9358/full/v4/i5/202.htm
- DOI: https://dx.doi.org/10.4239/wjd.v4.i5.202