Skip to main content

Table 3 Distribution of survey results and claims data in patient groups willing and unwilling to undergo TJR

From: Which disease-related factors influence patients’ and physicians’ willingness to consider joint replacement in hip and knee OA? Results of a questionnaire survey linked to claims data

 Symptomatic Hip OASymptomatic Knee OA
VariableWilling for TJR
n = 79,
17% (weighted)
Unwilling for TJR n = 388,
83% (weighted)
Willing for TJR
n = 127
14% (weighted)
Unwilling for TJR
n = 783
86% (weighted)
Age (years), mean63 (61; 66)65 (64; 66)65 (64; 67)65 (64; 65)
Female63 (50; 76)63 (58; 68)63 (54; 72)68 (66; 71)
BMI (kg/m2), mean27 (26; 28)28 (27; 28)30 (29; 30)29 (29; 30)
BMI < =18.5. (.;.)2 (0; 5). (.;.)1 (0; 1)
18.5 < BMI < =2537 (22; 52)31 (25; 38)14 (6; 21)21 (17; 25)
25 < BMI < =3043 (29; 57)41 (34; 48)49 (38; 59)41 (37; 45)
BMI > 3020 (10; 30)26 (20; 32)38 (27; 48)37 (33; 41)
Symptom duration (years), mean14 (10; 18)14 (12; 16)17 (14; 19)14 (13; 15)
Deterioration of symptoms (during last 2 years)80 (67; 93)59 (53; 66)80 (72; 89)53 (49; 57)
WOMAC total, mean52 (46; 57)40 (37; 42)52 (49; 56)39 (37; 41)
WOMAC pain, mean51 (45; 57)41 (38; 43)53 (50; 56)40 (38; 42)
WOMAC function, mean51 (46; 57)38 (36; 41)51 (48; 55)37 (36; 39)
WOMAC stiffness, mean52 (45; 60)43 (40; 46)57 (53; 61)43 (41; 45)
Any impact on personal situation99 (96; 100)75 (69; 81)95 (90; 100)75 (71; 79)
WHO-549 (42; 56)51 (47; 54)44 (39; 49)52 (50; 54)
Orthopaedist is treating78 (65; 92)60 (53; 67)78 (69; 86)71 (67; 75)
Opioid prescriptiona13 (2; 23)14 (9; 19)22 (13; 30)12 (9; 15)
Daily use of medication28 (15; 41)26 (20; 32)37 (27; 47)20 (17; 24)
Physical therapy prescriptiona50 (35; 65)45 (38; 52)54 (43; 64)47 (43; 51)
Having at least one artificial joint53 (38; 67)17 (12; 23)41 (31; 52)16 (13; 19)
  1. Values are percentages unless indicated otherwise. Values in brackets are 95% confidence intervals. a indicates information derived from claims data