Comparison of clinical outcomes between total hip replacement and total knee replacement

doi:10.5312/wjo.v14.i12.853

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Dec 18, 2023 (publication date) through Jul 6, 2024

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World Journal of Orthopedics

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2218-5836

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World J Orthop. Dec 18, 2023; 14(12): 853-867
Published online Dec 18, 2023. doi: 10.5312/wjo.v14.i12.853

Table 2 Comparison of pre-operative and post-operative patient reported outcome measure scores: Total knee replacement

	Pre-operative (n = 63), median (IQR)	Post-operative (n = 63), median (IQR)	P value¹	Z value
KOOS pain	36 (25-44)	92 (77 – 98)	< 0.001^a	-6.617
KOOS symptoms	36 (21-46)	89 (82 – 93)	< 0.001^a	-6.842
KOOS ADL	38 (31-44)	88 (78-97)	< 0.001^a	-6.902
KOOS Sport/Rec	5 (0-25)	70 (50-86)	< 0.001^a	-4.571
KOOS QoL	13 (6-25)	75 (56-93)	< 0.001^a	-6.457
Overall KOOS	28.9 (18.2-37.9)	80.7 (64.5-89.4)	< 0.001^a	-5.160
WOMAC pain	40 (30-50)	90 (80-100)	< 0.001^a	-6.575
WOMAC stiffness	25 (25-37.5)	75 (63-100)	< 0.001^a	-6.708
WOMAC function	38.2 (30.9-44.1)	91.2 (77.9-97.1)	< 0.001^a	-6.625
Oxford knee score	15 (11-19)	40 (33-43)	< 0.001^a	-6.618
EQ-5D index	0.345 (0.211-0.548)	0.821 (0.703-1)	< 0.001^a	-6.237
EQ-5D VAS	65 (50-80)	83 (71-95)	< 0.001^a	-5.323
SF-12 PCS	27.6 (23.2-32.1)	43.8 (33.0-50.4)	< 0.001^a	-5.333
SF-12 MCS	47.0 (39.3-56.5)	58.6 (51.5-61.3)	< 0.001^a	-3.832

¹Wilcoxon Signed Rank test.

^aStatistically significant P < 0.05.

IQR: Interquartile range; KOOS: Knee Osteoarthritis Outcome Score; ADL: Activities of daily living; Sport/Rec: Sports and recreation; QoL: Quality of life; WOMAC: Western Ontario and McMaster Universities Osteoarthritis Index; EQ-5D: EuroQol-5D index; VAS: Visual Analogue Scale; SF-12: Short form 12 item survey; PCS: Physical component summary; MCS: Mental component summary.

Citation: Green A, Walsh A, Al-Dadah O. Comparison of clinical outcomes between total hip replacement and total knee replacement. World J Orthop 2023; 14(12): 853-867
URL: https://www.wjgnet.com/2218-5836/full/v14/i12/853.htm
DOI: https://dx.doi.org/10.5312/wjo.v14.i12.853