Effects of hydrogen inhalation duration on symptom relief in elderly patients with knee osteoarthritis: A pilot study

doi:10.5312/wjo.v17.i6.121358

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World Journal of Orthopedics

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2218-5836

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Copyright: ©Author(s) 2026. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial (CC BY-NC 4.0) license. No commercial re-use. See permissions. Published by Baishideng Publishing Group Inc.

World J Orthop. Jun 18, 2026; 17(6): 121358
Published online Jun 18, 2026. doi: 10.5312/wjo.v17.i6.121358

Table 3 Western Ontario and McMaster Universities Osteoarthritis Index total score and Western Ontario and McMaster Universities Osteoarthritis Index subscale scores of subjects by arm in week-12

Variables	LT group (n = 24)	ST group (n = 25)	P value
ΔWOMAC total score	28.2 (7.0)	11.2 (4.6)	< 0.001
ΔWOMAC pain score	8.2 (4.3)	3.6 (3.4)	< 0.001
ΔWOMAC stiffness score	2.4 (2.5)	0.5 (1.2)	0.002
ΔWOMAC function score	17.6 (6.3)	7.4 (4.5)	< 0.001

Data are expressed as mean (SD). WOMAC: Western Ontario and McMaster Universities Osteoarthritis Index; LT: Long-term; ST: Short-term.

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Citation: Wang CH, Li YR, Han L, Wang HQ, Jia SF, Liu XC, Wu H, Wu F, Wang BG. Effects of hydrogen inhalation duration on symptom relief in elderly patients with knee osteoarthritis: A pilot study. World J Orthop 2026; 17(6): 121358
URL: https://www.wjgnet.com/2218-5836/full/v17/i6/121358.htm
DOI: https://dx.doi.org/10.5312/wjo.v17.i6.121358

Wang CH, Li YR, Han L, Wang HQ, Jia SF, Liu XC, Wu H, Wu F, Wang BG. Effects of hydrogen inhalation duration on symptom relief in elderly patients with knee osteoarthritis: A pilot study. World J Orthop 2026; 17(6): 121358 [DOI: 10.5312/wjo.v17.i6.121358]

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