Table 4 Proportion (%) of patients experiencing knee pain in specified age-groups of populations with radiographic osteoarthritis.
Study | Age Group | Radiographic View | Proportion (%) | OA Definition | Population |
|---|---|---|---|---|---|
Lachance [13] | 40–53 | A/Pwb | 35 | K&L 2+ | CA |
50 | AA | ||||
Hart [18] | 45–65 | A/Pwb | 56 | K&L 2+ | All |
Davis [27] | 45–75 | A/Pwb | 41(KL2) | K&L I+ | All |
59(KL3) | All | ||||
Hannan [25] | 51–74 | A/P | 47 | Def Ost | All |
Claessens [3] | > 45 | A/Pwb | 24 | K&L 2+ | All |
Cicuttini [11] | > 45 | Lateral Flexed wb | 16 | Def Ost | Female |
S/L | 26 | Female | |||
Cicuttini [26] | > 45 | A/Pwb | 20 | Ost | Female |
Lateral | 15 | JSN | Female | ||
S/L | 23 | or both | Female | ||
Odding [14] | > 55 | A/Pwb | 30(KL2) | K&L 2+ | All |
59(KL3) | |||||
Felson [20] | > 63 | A/Pwb | 40 | K&L2+ | All |
or JSN | |||||
Brandt [24] | > 65 | A/Pwb + Lateral | 22 | K&L2+ | All |
Lethbridge [10] | 19–92 | A/P | 30(KL2) | K&L2+ | All |
64(KL3) | |||||
Williams [21] | 51–80 | A/P Lat Flexed | 79 | K&L2+ | All |
Lanyon [8] | 40–80 | A/Pwb + S/L | 81 | Altman | All |
≥ Grade I Ost [32] |