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. 2019 Dec 24;3(12):e19.00102. doi: 10.5435/JAAOSGlobal-D-19-00102

Table 2.

Types and Frequency of Bariatric Procedure Used Before TKA

Band Gastroplasty Gastric Bypass Bariatric Procedure, Not Specified Sleeve Gastrectomy No Previous Bariatric Procedure
N % N % N % N % N %
Total 2,044 0.08 1,671 0.06 21,112 0.78 1,025 0.04 2,675,575 99.04
2005 <10 0.00 72 0.03 <10 0.00 <10 0.00 228,694 99.96
2006 24 0.01 105 0.05 48 0.02 15 0.01 225,471 99.91
2007 49 0.02 86 0.04 464 0.20 26 0.01 226,720 99.73
2008 91 0.04 112 0.05 672 0.30 42 0.02 221,204 99.59
2009 178 0.08 132 0.06 918 0.42 51 0.02 218,325 99.42
2010 260 0.11 173 0.08 1,230 0.54 55 0.02 225,884 99.25
2011 230 0.11 133 0.06 1,818 0.84 57 0.03 213,159 98.96
2012 255 0.12 149 0.07 2,247 1.03 57 0.03 214,596 98.75
2013 241 0.11 148 0.07 2,842 1.26 86 0.04 221,860 98.53
2014 214 0.10 199 0.09 3,120 1.41 136 0.06 217,266 98.34
2015 245 0.11 160 0.07 3,538 1.56 201 0.09 222,951 98.18
2016 250 0.10 202 0.08 4,215 1.72 292 0.12 239,445 97.97
65-69 1,042 0.13 952 0.12 13,231 1.64 471 0.06 792,164 98.06
70-74 779 0.10 473 0.06 5,940 0.76 271 0.03 777,431 99.05
75-79 187 0.03 167 0.03 1,581 0.25 157 0.03 624,443 99.67
80+ 36 0.01 79 0.02 360 0.07 126 0.03 481,537 99.88
Male 472 0.05 380 0.04 4,079 0.41 313 0.03 993,981 99.48
Female 1,572 0.09 1,291 0.08 17,033 1.00 712 0.04 1,681,594 98.79
Oth/unk 35 0.03 43 0.04 369 0.36 26 0.03 100,637 99.53
White 1,896 0.08 1,523 0.06 19,504 0.79 921 0.04 2,445,913 99.03
Black 113 0.09 105 0.08 1,239 0.95 78 0.06 129,025 98.82
Midwest 416 0.05 489 0.06 5,555 0.73 254 0.03 759,128 99.12
North east 291 0.07 187 0.04 3,077 0.73 151 0.04 418,594 99.12
South 972 0.09 686 0.07 8,076 0.78 459 0.04 1,031,132 99.02
West 365 0.08 309 0.07 4,404 0.93 161 0.03 466,721 98.89
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