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Table 5 Subgroup analysis except for 3 articles which included only young adults

From: Loosening and revision rates after total shoulder arthroplasty: a systematic review of cemented all-polyethylene glenoid and three modern designs of metal-backed glenoid

Items<36-month subgroupa36–72-month subgroupb> 72-month subgroupc
PEGMBGPEGMBGPEGMBG
Age (years)66.764.866.967.366.762.7
Number of radiolucency (%)38/439 (7.3%)8/65 (12.3%)20/229 (8.7%)31/182 (17.0%)256/640 (40.0%)8/35 (22.9%)
P = 0.355P = 0.015 *P = 0.05
Number of loosening2/420 (0.5%)5/65 (7.7%)19/1459 (1.3%)17/269 (6.3%)402/1191 (33.8%)0/115 (0%)
P < 0.001 *P < 0.001 *P < 0.001 *
Number of failure (=revision)19/424 (4.5%)4/65 (6.2%)37/1503 (2.5%)5/277 (1.8%)106/1272 (8.3%)2/115 (1.7%)
P = 0.754P = 0.829P = 0.006 *
  1. FU follow-up, PEG cemented all-polyethylene glenoid, MBG metal-backed glenoid
  2. afollow-up duration less than 36 months
  3. bfollow-up duration between 36 and 72 months
  4. cfollow-up duration more than 72 months
  5. *statistically significant change