Table 3 Summary of cemented PEG and modern MBG
|  | Cemented PEG (n = 3312) | Modern MBG (n = 457) | P–value | |
|---|---|---|---|---|
Age (years) | Number of cases/articles | 3062/24 | 367/8 | NA |
Mean | 66.4 (21–93) | 66.5 (31–88) | ||
Follow–up duration (months) | Number of cases/articles | 3312/25 | 457/10 | NA |
Mean | 73.1 (12–211) | 56.1 | ||
Gain of FE (°) | Number of cases/articles | 1387/14 | 142/2 | NA |
Mean | 48.6 | 61.7 | ||
Gain of ER (°) | Number of cases/articles | 1304/14 | 161/3 | NA |
Mean | 24.2 | 39.2 | ||
Constant score improvement | Number of cases/articles | 1208/9 | 3/97 | NA |
Mean | 34.8 | 40.4 | ||
ASES score improvement | Number of cases/articles | 226/5 | 135/3 | NA |
Mean | 44.5 | 56.5 | ||
Primary osteoarthritis | Yes (%) | 2866 (86.5%) | 350 (88.4%) | 0.310 |
No (%) | 446 (13.5%) | 46 (11.6%) | ||
Diagnosis unknown | 1 | 61 | ||
Radiolucent lines | Present (%) | 354 (27.2%) | 22 (4.9%) | NA |
Absent (%) | 948 (72.8%) | 427 (95.1%) | ||
Not reported | 2010 | 8 | ||
Loosening | Present (%) | 465 (14.6%) | 22 (4.9%) | NA |
Absent (%) | 2720 (85.4%) | 427 (95.1%) | ||
Not reported | 127 | 8 | ||
Revision surgery | Present (%) | 189 (5.7%) | 11 (2.4%) | NA |
Absent (%) | 3127 (94.3%) | 446 (97.6%) | ||
Not reported | 0 | 0 | ||