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. 2022 May 5;7(5):295–304. doi: 10.1530/EOR-21-0090

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.