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Table 5 Proportion of knee pain positive patients with radiographic knee OA (A/P views) according to the definition of knee pain.

From: The discordance between clinical and radiographic knee osteoarthritis: A systematic search and summary of the literature

Study

% Knee pain positive in those with Radiographic OA

Definition of knee pain positive subjects

Hannan [25]

47

Pain, swelling, morning stiffness in or around the knee on most days for one month

  

Positive response to both parts required:

Parts A & B

 

(A) Have you ever had pain in or around the knee on most days for one month?

Lanyon [8]

81

 

Lethbridge [10]

64

 

Part A only

 

(B) If so, have you experienced pain in the last year?

Felson [20]

40

 

Lethbridge [10]

53

 

Cicuttinni [26]

20

Ever having an episode of knee pain lasting more than 15 days

Lachance [13]

35 (CA)

50 (AA)

Any joint pain in their knees during the last during the last month

Hart [18]

56

Pain, stiffness and swelling lasting more than a month

Odding [14]

59

Knee pain during the past month

Davis [27]

59

Knee pain on most days lasting for one month in the past year

  1. CA – Caucasian, AA – African American, N/A – not applicable.