Completeness

Coverage and completeness
Overall completeness per arthroplasty
Completeness per year
Completeness primary THA per hospital
Completeness primary hip hemiarthroplasties per hospital
Completeness hip revision arthroplasties per hospital
Completeness primary knee arthroplasties per hospital
Completeness knee revision arthroplasties per hospital
Completeness primary ankle arthroplasties per hospital
Completeness ankle revision arthroplasties per hospital
Completeness primary shoulder arthroplasties per hospital
Completeness shoulder revision arthroplasties per hospital
Completeness primary elbow arthroplasties per hospital
Completeness elbow revision arthroplasties per hospital
Completeness primary wrist arthroplasties per hospital
Completeness wrist revision arthroplasties per hospital
Completeness primary finger arthroplasties per hospital
Completeness finger revision arthroplasties per hospital

Data Quality » Completeness » Coverage and completeness

TABLE Completeness of registering hospitals and completeness of registered arthroplasties in the LROI based on the hospital information system in 2022

	Number of hospitals in LROI¹ (n)	Completeness of registering hospitals² (%)	Median [range] number of registrations	Completeness of registrations³ (%)
Hip arthroplasties		100
Primary total hip arthroplasties	80		324 [1-1,023]	99
Primary hip hemiarthroplasties	78		68 [1-285]	92
Hip revision arthroplasties	81		36 [1-281]	97
Knee arthroplasties		100
Primary knee arthroplasties	66		331 [22-990]	99
Knee revision arthroplasties	84		29 [2-418]	98
Ankle arthroplasties		100
Primary ankle arthroplasties	9		2 [1-28]	96
Ankle revision arthroplasties	8		2 [1-6]	95
Shoulder arthroplasties		100
Primary shoulder arthroplasties	65		37 [1-265]	97
Shoulder revision arthroplasties	59		2 [1-114]	95
Elbow arthroplasties		100
Primary elbow arthroplasties	23		3 [1-21]	85
Elbow revision arthroplasties	15		4 [1-21]	87
Wrist arthroplasties		100
Primary wrist arthroplasties	14		2 [1-11]	59
Wrist revision arthroplasties	10		1 [1-6]	85
Finger arthroplasties		100
Primary finger arthroplasties	23		3 [1-26]	60
Finger revision arthroplasties	7		2 [1-6]	100

¹ Number of hospitals that performed arthroplasties in accordance with their hospital information system in 2022.
² Proportion of total number of hospitals that performed arthroplasties in 2022. The information provided regarding the completeness of registered hospitals is based on data available of the most recent update the Dutch Orthopaedic Association (NOV) provided us.
³ Completeness of number of registered arthroplasties in the LROI in August 2023, compared to the total number of arthroplasties performed (based on the hospital information system) in 2022. This pertains only to hospitals that submitted data for comparison.
Please note: 3 hospitals (trauma surgery) and 5 hospitals (plastic surgery) registered not in the LROI and provided no hospital information system data for comparison. .

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Data Quality » Completeness » Overall completeness per arthroplasty

FIGURE Completeness (proportion [%] per joint) of the registration of procedures in the LROI in 2022

TABLE Completeness (proportion [%] per joint)

	Hip¹	Knee	Ankle	Shoulder	Elbow	Wrist	Finger
Number of procedures in HIS (n)	47,352	37,104	142	4,143	259	129	327
Completeness of registrations in the LROI² (%)	97.9	99.2	95.8	97.2	85.7	64.3	62.1

¹ Includes primary total hip arthroplasties, primary hip hemiarthroplasties and hip revision arthroplasties.
² Completeness of number of registered arthroplasties (orthopaedic, trauma and plastic surgery) in the LROI in August 2023, compared to the total number of arthroplasties performed (based on the hospital information system) in 2022. This pertains only to hospital that submitted data for comparison.
Please note: 3 hospitals (trauma surgery) and 5 hospitals (plastic surgery) registered not in the LROI and provided no hospital information system data for comparison.

Data Quality » Completeness » Completeness per year

TABLE Completeness (proportion [%] per joint) of the registration of procedures in the LROI in 2013-2022

	2013	2014	2015	2016	2017	2018	2019	2020	2021	2022
Hip arthroplasties
Primary total hip arthroplasties	97	96	98	99	99	99	99	99	99	99
Primary hip hemiarthroplasties ¹	n.a.	n.a.	n.a.	n.a.	n.a.	n.a.	n.a.	n.a.	n.a.	92
Primary hip hemiarthroplasties (orthopaedic surgeon)	71	84	88	95	96	96	94	97	96	n.a.
Primary hip hemiarthroplasties (trauma surgeon)	n.a.	n.a.	n.a.	50	64	65	63	68	74	n.a.
Hip revision arthroplasties	88	93	97	97	98	97	97	98	98	97
Knee arthroplasties
Primary knee arthroplasties	95	96	98	99	100	99	99	99	97	99
Knee revision arthroplasties	90	93	98	98	98	97	97	98	97	98
Ankle arthroplasties
Primary ankle arthroplasties	n.a.	80	91	92	100	98	98	95	95	96
Ankle revision arthroplasties	n.a.	55	67	94	87	83	55	95	96	95
Shoulder arthroplasties
Primary shoulder arthroplasties ¹	n.a.	n.a.	n.a.	n.a.	n.a.	n.a.	n.a.	n.a.	n.a.	97
Primary shoulder arthroplasties (orthopaedic surgeon)	n.a.	78	94	94	98	91	96	96	97	n.a.
Primary shoulder arthroplasties (trauma surgeon)	n.a.	n.a.	n.a.	n.a.	n.a.	n.a.	n.a.	32	25	n.a.
Shoulder revision arthroplasties	n.a.	74	90	92	90	78	91	93	79	95
Elbow arthroplasties
Primary elbow arthroplasties	n.a.	70	85	88	91	89	85	92	89	85
Elbow revision arthroplasties	n.a.	55	86	93	87	85	83	91	78	87
Wrist arthroplasties
Primary wrist arthroplasties¹	n.a.	n.a.	n.a.	n.a.	n.a.	n.a.	n.a.	n.a.	n.a.	59
Primary wrist arthroplasties (orthopaedic surgeon)	n.a.	n.a.	n.a.	n.a.	71	29	55	70	73	n.a.
Primary wrist arthroplasties (plastic surgeon)	n.a.	n.a.	n.a.	n.a.	64	62	50	56	75	n.a.
Wrist revision arthroplasties¹	n.a.	n.a.	n.a.	n.a.	n.a.	n.a.	n.a.	n.a.	n.a.	85
Wrist revision arthroplasties (orthopaedic surgeon)	n.a.	n.a.	n.a.	n.a.	18	83	77	100	93	n.a.
Wrist revision arthroplasties (plastic surgeon)	n.a.	n.a.	n.a.	n.a.	25	50	50	86	75	n.a.
Finger arthroplasties
Primary finger arthroplasties¹	n.a.	n.a.	n.a.	n.a.	n.a.	n.a.	n.a.	n.a.	n.a.	60
Primary finger arthroplasties (orthopaedic surgeon)	n.a.	n.a.	n.a.	n.a.	53	63	66	65	81	n.a.
Primary finger arthroplasties (plastic surgeon)	n.a.	n.a.	n.a.	n.a.	67	68	60	82	84	n.a.
Finger revision arthroplasties¹	n.a.	n.a.	n.a.	n.a.	n.a.	n.a.	n.a.	n.a.	n.a.	100
Finger revision arthroplasties (orthopaedic surgeon)	n.a.	n.a.	n.a.	n.a.	17	100	90	41	83	n.a.
Finger revision arthroplasties (plastic surgeon)	n.a.	n.a.	n.a.	n.a.	24	40	57	67	100	n.a.

¹ Completeness of number of registered hip, shoulder and elbow arthroplasties includes orthopaedic en trauma surgery. Completeness of number of registered wrist and finger arthroplasties includes orthopaedic, trauma and plastic surgery.
Completeness: Number of registered arthroplasies in the LROI compared to the total number of arthroplasties performed based on the hospital information system (HIS). This pertains only to hospitals that submitted data for comparison.
Please note: Ankle, shoulder and elbow arthroplasties were registered since 2014; wrist and finger arthroplasties were registered since 2016.

The completeness of number of registered arthroplasties in the LROI is determined every year in August. Improving data completeness and data quality by registering missing data is an ongoing process.

Data Quality » Completeness » Completeness primary THA per hospital

FIGURE Number of procedures performed (based on the hospital information system) and the number of registered procedures in the LROI per hospital for primary total hip arthroplasties in 2022

Data Quality » Completeness » Completeness primary hip hemiarthroplasties per hospital

FIGURE Number of procedures performed (based on the hospital information system) and the number of registered procedures in the LROI per hospital for primary hip hemiarthroplasties in 2022

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