Table 1 Hideo Watanabe’s knee scoring system-related pain score
From: Levels of neuropeptide Y in synovial fluid relate to pain in patients with knee osteoarthritis
Group | Standard |
|---|---|
No pain group | Occasionally feeling fatigue or heaviness, but no pain at any time |
Mild pain group | Pain at starting time of various activities or occasionally during long-distance walking, but no pain at rest |
Moderate pain group | Pain usually on walking, but pain gradually subside after a brief rest |
Strong pain group | Persistent pain on walking, but pain gradually mitigates after a rest, usually associate with spontaneous pain |
Severe pain group | Persistent pain at any time, including walking and rest |