Page 32 - The value of total hip and knee arthroplasties for patients

Chapter 2
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Table 1. Participating centres and the numbers of participating patients in the study on the collection of PROMS alongside the Dutch Arthroplasty Registry PROMs = Patient Reported Outcome Measures;THA=Total Hip Arthroplasty;TKA=Total Knee Arthroplasty
Hospital Total
1
2
3
4 5
6 7
Number of months including patients in study
30
29
29
12 28
24 11
Number of THA patients 1893 Informed about the study
484
112
130
97 224
649 197
Agreed to be contacted and thus invited 1796
396 222 448
108
64 (59.3) 103
130
83 (63.8) 60
97 222
76 (78.4) 128 (57.7) 75 221
647 196
364 (56.3) 98 (50.0) 630 201
Included (included/invited) 1035
(57.6)
(56.1)
Number of TKA patients 1738 Informed about the study
370 214
95
62 (65.3)
60
30 (50.0)
75 215
60 (80.0) 142 (66.0)
622 199
350 (56.2) 112 (56.3)
Agreed to be contacted and thus invited 1636 Included (included/invited) 970 (59.3)
(57.8)
Table 2. Response rates of the study population
Pre-op 1796 6-month 1000 12-month 992 24-month 972
1035 57.6 898 89.8 866 87.3 812 83.5
NA 86.8 83.7 78.5
1636
932
917
906
970
827
771
756
59.3 88.7 84.1 83.4
NA 85.3 79.5 77.9
THA Eligible (n)
Response Response rate
(n) Eligible patients ( %)
Overall Response rate (%)
TKA Eligible; n
Response; n
Response rate Eligible patients(%) %
Overall
Response rate (%)
THA = Total Hip Ar throplasty
TKA = Total Knee Ar throplasty
Overall response rate= included patients/response