Copyright
©The Author(s) 2020.
World J Diabetes. Oct 15, 2020; 11(10): 447-458
Published online Oct 15, 2020. doi: 10.4239/wjd.v11.i10.447
Published online Oct 15, 2020. doi: 10.4239/wjd.v11.i10.447
Variable | Receiving bariatric surgery | P value1 | |||
No [n = 1509 (34.51%)] | Yes [n = 2864 (65.49%)] | ||||
n | % | n | % | ||
Malabsorptive procedures | - | - | 1773 | 61.91 | - |
Restrictive procedures | - | - | 2465 | 86.07 | - |
Sex | < 0.0001 | ||||
Female | 818 | 54.21 | 1855 | 64.77 | |
Male | 691 | 45.79 | 1009 | 35.23 | |
Age at baseline, yr | < 0.0001 | ||||
20-29 | 302 | 20.01 | 1305 | 45.57 | |
30-64 | 1034 | 68.52 | 1558 | 54.4 | |
65-100 | 173 | 11.46 | 1 | 0.03 | |
mean ± SD | 44.30 ± 15.25 | 33.09 ± 9.07 | < 0.00012 | ||
Comorbidities | |||||
Hypertension | 751 | 49.77 | 254 | 8.87 | < 0.0001 |
Hyperlipidemia | 314 | 20.81 | 110 | 3.84 | < 0.0001 |
Diabetes mellitus | 525 | 34.79 | 174 | 6.08 | < 0.0001 |
Coronary artery disease | 261 | 17.3 | 69 | 2.41 | < 0.0001 |
Congestive heart failure | 243 | 16.1 | 39 | 1.36 | < 0.0001 |
Stroke | 123 | 8.15 | 37 | 1.29 | < 0.0001 |
Chronic kidney disease | 124 | 8.22 | 22 | 0.77 | < 0.0001 |
Asthma | 186 | 12.33 | 75 | 2.62 | < 0.0001 |
Chronic obstructive pulmonary disease | 145 | 9.61 | 34 | 1.19 | < 0.0001 |
Peripheral arterial occlusive disease | 29 | 1.92 | 3 | 0.1 | < 0.0001a |
Gastrointestinal ulcer | 185 | 12.26 | 73 | 2.55 | < 0.0001 |
Gastrointestinal bleeding | 44 | 2.92 | 12 | 0.42 | < 0.0001 |
Variable | Anemia | Crude1 | Adjusted2 | ||||
No. (n = 221) | HR | (95%CI) | P value | HR | (95%CI) | P value | |
Receiving bariatric surgery | |||||||
No | 38 | 1.00 | reference | 1.00 | reference | ||
Yes | 183 | 1.71 | (1.2-2.44) | 0.003 | 2.36 | (1.52-3.65) | 0.0001 |
Gender | |||||||
Female | 186 | 1.00 | reference | 1.00 | reference | ||
Male | 35 | 0.32 | (0.22-0.46) | < 0.0001 | 0.33 | (0.23-0.48) | < 0.0001 |
Age | |||||||
20-29 years | 88 | 1.00 | reference | 1.00 | reference | ||
30-64 years | 126 | 1.08 | (0.82-1.41) | 0.6028 | 1.06 | (0.79-1.41) | 0.6956 |
65-100 years | 7 | 1.33 | (0.61-2.88) | 0.4724 | 1.33 | (0.54-3.3) | 0.5391 |
Comorbidities (ref = non-) | |||||||
Hypertension | 41 | 1.07 | (0.76-1.51) | 0.6837 | 1.43 | (0.9-2.27) | 0.1349 |
Hyperlipidemia | 18 | 1.06 | (0.65-1.71) | 0.8249 | 1.14 | (0.64-2.01) | 0.6595 |
Diabetes mellitus | 26 | 0.95 | (0.63-1.44) | 0.812 | 0.96 | (0.59-1.57) | 0.8826 |
Coronary artery disease | 15 | 1.23 | (0.73-2.08) | 0.441 | 1.17 | (0.61-2.25) | 0.6403 |
Congestive heart failure | 10 | 1.02 | (0.54-1.93) | 0.9436 | 0.91 | (0.42-1.94) | 0.8027 |
Stroke | 4 | 0.63 | (0.23-1.7) | 0.3611 | 0.52 | (0.18-1.5) | 0.2286 |
Chronic kidney disease | 7 | 1.32 | (0.62-2.8) | 0.4752 | 1.47 | (0.66-3.28) | 0.3504 |
Asthma | 17 | 1.74 | (1.06-2.85) | 0.0293 | 1.85 | (1.05-3.25) | 0.034 |
Chronic obstructive pulmonary disease | 6 | 0.93 | (0.41-2.08) | 0.8514 | 0.56 | (0.22-1.43) | 0.2267 |
Peripheral arterial occlusive disease | 1 | 0.99 | (0.14-7.05) | 0.9905 | 1.47 | (0.2-10.88) | 0.705 |
Gastrointestinal ulcer | 20 | 2.17 | (1.37-3.44) | 0.001 | 2.25 | (1.34-3.77) | 0.0021 |
Gastrointestinal bleeding | 5 | 2.64 | (1.09-6.42) | 0.0321 | 1.83 | (0.7-4.78) | 0.2204 |
Variable | Receiving bariatric surgery | Receiving vs not-receiving bariatric surgery | ||||||
No | Yes | Crude HR | Adjusted HR2 | |||||
Event | Person years | IR1 | Event | Person years | IR1 | |||
Total | 38 | 6359 | 5.98 | 183 | 16277 | 11.24 | 1.71(1.20-2.44)b | 2.36(1.52-3.65)c |
Gender | ||||||||
Female | 27 | 3455 | 7.82 | 159 | 10688 | 14.88 | 1.67(1.10-2.53)a | 2.48(1.50-4.09)c |
Male | 11 | 2905 | 3.79 | 24 | 5588 | 4.29 | 1.24(0.60-2.55) | 2.04(0.89-4.70) |
Age group, yr | ||||||||
20-29 yr | 4 | 1386 | 2.89 | 84 | 7825 | 10.73 | 3.11(1.14-8.54)a | 3.83(1.13-12.99)a |
30-64 yr | 27 | 4341 | 6.22 | 99 | 8446 | 11.72 | 1.81(1.18-2.79)b | 2.37(1.45-3.88)c |
65-100 yr | 7 | 632 | 11.07 | 0 | 6 | 0 | - | - |
- Citation: Wang TY, Huang HH, Hsieh MS, Chen CY. Risk of anemia in morbidly obese patients after bariatric surgery in Taiwan. World J Diabetes 2020; 11(10): 447-458
- URL: https://www.wjgnet.com/1948-9358/full/v11/i10/447.htm
- DOI: https://dx.doi.org/10.4239/wjd.v11.i10.447