Table 8 Outcomes other than ‘kneeling’ compared in patients with patellar resurfacing against those with non-resurfacing
From: Patellar resurfacing and kneeling ability after total knee arthroplasty: a systematic review
Study | Year | Outcome measured | Resurfaced | Non-resurfaced | Significance | P-Value |
|---|---|---|---|---|---|---|
Huish Jr et al. [23] | 2020 | OKS | 39 | 38 | Not significant | NR |
VAS | 2.5 | 3 | Not significant | NR | ||
Re-operation rate | 2 (4%) | 2 (7%) | Not significant | NR | ||
Rooks et al [24] | 2020 | Patient reported satisfaction | Very satisfied = 190 (79%) | Very satisfied = 129 (71%) | Not significant | NR |
Partially satisfied = 44 (18%) | Partially satisfied = 40 (22%) | Not significant | NR | |||
Not satisfied = 8 (3%) | Not satisfied = 9 (5%) | Not significant | NR | |||
Have TKA again = 211 (87%) | Have TKA again = 149 (84%) | Not significant | NR | |||
Do not have TKA again = 31 (13%) | Do not have TKA again = 29 (16%) | Not significant | NR | |||
Sangoi et al. [25] | 2020 | OKS | Median (range) | Median (range) | Not significant | NR |
Preop = 14 (1–44) | Preop = 15 (4–42) | |||||
Postop = 37 (9–48) | Postop = 36 (1–47) | Not significant | NR | |||
Baldini Score | Median (range) | Median (range) | Not significant | P = 0.07 | ||
100 (30–100) | 90 (5–100) | |||||
Feller Score | Median (range) | Median (range) | Significant | P = 0.04 * | ||
28 (10–30) | 25 (12–30) | |||||
Albrecht et al. [27] | 2016 | Mechanical tibiofemoral angle | Mean (SD) = 0.22 (2.42) | Mean (SD) = 0.55 (3.22°) | Not significant | P = 0.64 |
ROM | Mean (SD) = 115.6° (16.0°) | Mean (SD) = 117.9° (11.0°) | Not significant | P = 0.59 | ||
KSS | Total score Mean (SD) = 173.8 (20.7) | Total score Mean (SD) = 176.7 (19.5) | Not significant | P = 0.60 | ||
Knee score Mean (SD) = 86.4 (13.3) | Knee score Mean (SD) = 89.4 (7.5) | Not significant | P = 0.35 | |||
Function score Mean (SD) = 87.5 (15.8) | Function score Mean (SD) = 87.3 (19.3) | Not significant | P = 0.96 | |||
Revision rate | 1 (1.96%) | 2 (10%) | Not significant | P = 0.13 | ||
Baker et al. [28] | 2014 | OKS | Mean (95% CI) | Mean (95% CI) | Not significant | P = 0.56 |
Preop = 18.9 (18.7–19.0) | Pre-op = 18.9 (18.8–19.1) | |||||
Postop = 34.0 (33.8–34.2) | Post-op = 34.0 (33.9–34.2) | Not significant | P = 0.96 | |||
Change = 15.2 (14.9–15.4) | Change = 15.1 (15.0–5.3) | Not significant | P = 0.69 | |||
Garneti et al. [29] | 2008 | KSS | Total Score Mean (SD) = 161 (33.07) | Total Score Mean (SD) = 156 (52.70) | Not significant | P = 0.12 |
Knee Score Mean (SD) = 89 (10.62) | Knee Score Mean (SD) = 81 (26.30) | Not significant | P = 0.09 | |||
Function Score Mean (SD) = 72 (25.01) | Function Score Mean (SD) = 75 (28.55) | Not significant | P = 0.33 | |||
Euroqol score | Mean (SD) = 95 (4.50) | Mean (SD) = 91 (3.76) | Not significant | P = 0.26 | ||
Patient-reported Anterior knee pain | 5 (7%) | 18 (25%) | Not significant | P = 0.05 | ||
Patient-reported patellar apprehension | 11 (14%) | 5 (8%) | Significant | P = 0.02* | ||
Patient-reported knee instability | 5 (7%) | 4 (6%) | Not significant | P = 0.11 | ||
Patient-reported decrease in pain contra-laterally | 15 (39%) | 10 (27%) | Not significant | P = 0.31 | ||
Revision rate | 0 (0%) | 7 (10%) | Significant | P = 0.01* | ||
Return to preoperative functional level | 62 (82%) | 58 (88%) | Not significant | P > 0.05 | ||
Patient-reported use of walking aid | 28 (37%) | 37 (41%) | Not significant | P = 0.54 | ||
Patient-reported limp | 13 (17%) | 5 (8%) | Significant | P = 0.04* |