Table 2.
Number of cases and mean follow-up in the morbidly obese groups (MO) and non-obese groups (NO) from all the studies. Follow-up and range are reported in years, revision rate in %. P value presents a revision rate difference between the two BMI groups.
| Study | Year | Patients (knees) | Follow-up, years (range) | Revision, % | P value | |||
|---|---|---|---|---|---|---|---|---|
| MO | NO | MO | NO | MO | NO | |||
| Amin et al. (29) | 2006 | 38 (41) | 38 (41) | 3.2 (0.5–5.5) | 3.7 (0.5–5.6) | 26 | 0 | 0.01 |
| Bordini et al. (32) | 2009 | NR (172) | NR (6532) | NR (1.5–6) | NR (1.5–6) | 2 | 2 | NR |
| Chen et al. (28) | 2016 | 117 (117) | 2108 (2108) | NR (2-10) | NR (2-10) | 2 | 1 | 0.703 |
| Dewan et al. (27) | 2009 | 31 (41) | 67 (85) | 4 (NR) | 6 (NR) | 7 | 5 | 0.816 |
| Ersozlu et al. (26) | 2007 | 21 (42) | 20 (40) | 2.7 (2–3.3) | 2.7 (2–3.3) | 0 | 0 | NR |
| Foran et al. (33) | 2004 | 11 (12) | 68 (78) | 6.6 (5–8.9) | 6.9 (5–10.3) | 8 | 0 | 0.02 |
| Hakim et al. (25) | 2019 | 127 (162) | 37 (38) | 10.1 (4–NR) | NR (4–NR) | 2 | 3 | NR |
| Krushell et al. (24) | 2007 | NR (39) | NR (39) | 7.5 (5.2–14.1) | 7.5 (5–13.2) | 5 | 0 | NR |
| Mont et al. (31) | 1996 | 45 (50) | 45 (50) | 5.4 (2–12) | 5.2 (2–11.3) | 8 | 4 | NR |
| Naziri et al. (22) | 2013 | 95 (101) | 95 (101) | 5.2 (3–7.1) | NR | 7 | 3 | 0.28 |
| Ponnusamy et al. (30) | 2018 | 195 (195) | 260 (260) | NR (3–NR) | NR (3–NR) | 7 | 7 | NR |
| Spicer et al. (23) | 2001 | NR (59) | 371 (425) | 6.1 (4–12) | 6.3 (4–12) | 5 | 3 | NR |
NR, not reported.
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