| Term | Studies | |
|---|---|---|
| 1 | Obesity/ | 169,746 |
| 2 | Body Mass Index/ | 118,030 |
| 3 | Body weight/ | 184,387 |
| 4 | Overweight/ | 22,474 |
| 5 | Obes*.ti, ab | 274,098 |
| 6 | (Body mass index or body-mass index). ti, ab | 166,193 |
| 7 | bmi.ti, ab | 129,016 |
| 8 | Overweight.ti, ab | 62,903 |
| 9 | 1 or 2 or 3 or 4 or 5 or 6 or 7 or 8 | 629,825 |
| 10 | Arthroplasty, replacement, knee/ | 21,619 |
| 11 | (Unicompartmental or uni-compartmental or UKA or UKR).ti, ab | 2210 |
| 12 | (knee adj3(arthroplast* or replace* or prosthes*)).ti,ab | 30,537 |
| 13 | Knee prosthesis/ | 11,096 |
| 14 | 10 or 12 or 13 | 35,781 |
| 15 | 11 and 14 | 1952 |
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