Table 1
Lifetime and recent prevalence of knee symptoms in 1404 responders
Symptom
Prevalence (%)
Lifetime
Past year
Past month
Pain
45
28
17
Stiffness
37
24
14
Swelling
27
15
10
Giving way
20
14
9
Grating
17
12
8
Locking
9
5
3
Any symptom
54
32
19