Revision by patient characteristics

THA by patient province
THA by pre-PROM
THA by complete PROM (pre, 3mnd, 12mnd)
THA by pre-OHS
THA by gender
THA by age category
THA by diagnosis
THA by ASA score
THA by BMI category
THA by Charnley score
THA by smoking

Hip » Survival » Revision by patient characteristics » THA by patient province

FIGURE Cumulative major revision percentages of total hip arthroplasties for osteoarthritis by patient province in the Netherlands in 2014-2022 (n=236,338)

TABLE Cumulative major revision percentages

		Cumulative major revision percentages – Kaplan Meier (95% CI)
	Number (n)	1yr	3yr	5yr	7yr	9yr
Patient province
Drenthe	8,567	1.0 (0.8-1.2)	1.5 (1.2-1.8)	1.8 (1.5-2.1)	2.2 (1.8-2.6)	2.8 (2.0-3.5)
Flevoland	4,830	1.2 (0.9-1.5)	1.9 (1.5-2.4)	2.6 (2.1-3.1)	3.1 (2.4-3.7)	3.1 (2.4-3.7)
Friesland	9,666	1.1 (0.9-1.3)	1.5 (1.3-1.8)	1.8 (1.5-2.1)	2.1 (1.7-2.5)	2.2 (1.8-2.6)
Gelderland	31,454	0.9 (0.8-1.0)	1.7 (1.6-1.9)	2.3 (2.1-2.5)	2.7 (2.4-2.9)	3.0 (2.7-3.3)
Groningen	8,173	0.9 (0.7-1.1)	1.7 (1.4-2.0)	2.1 (1.7-2.4)	2.4 (2.0-2.8)	2.9 (2.3-3.4)
Limburg	16,728	1.1 (0.9-1.3)	1.7 (1.5-2.0)	2.1 (1.8-2.3)	2.5 (2.2-2.9)	3.1 (2.6-3.5)
Noord-Brabant	36,923	1.2 (1.1-1.3)	2.0 (1.9-2.2)	2.7 (2.5-2.9)	3.2 (2.9-3.4)	3.4 (3.1-3.6)
Noord-Holland	36,387	1.0 (0.9-1.1)	1.5 (1.4-1.7)	1.9 (1.7-2.1)	2.2 (2.0-2.4)	2.7 (2.4-3.0)
Overijssel	15,533	1.1 (1.0-1.3)	1.9 (1.7-2.2)	2.3 (2.1-2.6)	2.9 (2.5-3.2)	3.5 (3.0-4.1)
Utrecht	17,059	0.9 (0.7-1.0)	1.6 (1.4-1.8)	1.9 (1.7-2.1)	2.2 (2.0-2.5)	2.6 (2.2-3.0)
Zeeland	5,668	0.7 (0.4-0.9)	1.0 (0.8-1.3)	1.3 (1.0-1.7)	1.5 (1.1-1.9)	1.7 (1.2-2.1)
Zuid-Holland	45,350	0.9 (0.8-1.0)	1.7 (1.6-1.8)	2.3 (2.1-2.4)	2.6 (2.4-2.8)	3.0 (2.7-3.3)

Major revision precentage: first revision of the acetabulum or femur component, regardless of whether a minor revision has already taken place. Therefor, the first three revision procedures were reviewed.
CI: confidence interval

Hip » Survival » Revision by patient characteristics » THA by pre-PROM

FIGURE Cumulative revision percentage of total hip arthroplasties by valid pre-operative PROM of patients who underwent a THA for osteoarthritis in the Netherlands in 2014-2022 (n=238,517)

TABLE Cumulative revision percentages

		Cumulative revision percentages – Kaplan Meier (95% CI)
	Number (n)	1yr	3yr	5yr	7yr	9yr
Pre-PROM
Valid	126,953	1.6 (1.5-1.6)	2.3 (2.2-2.4)	2.8 (2.7-2.9)	3.2 (3.1-3.3)	3.5 (3.3-3.7)
Invalid	111,564	1.8 (1.7-1.8)	2.6 (2.5-2.7)	3.1 (3.0-3.2)	3.5 (3.4-3.6)	3.9 (3.8-4.1)

Please note: Dotted lines represent the upper and lower limits of the 95% confidence interval.
Valid: pre-operative PROM reported; Invalid: non-responders to pre-operative PROM; PROM: patient reported outcome measure.
THA: total hip arthroplasty; CI: confidence interval.

Hip » Survival » Revision by patient characteristics » THA by complete PROM (pre, 3mnd, 12 mnd)

FIGURE Cumulative revision percentage of total hip arthroplasties by complete PROM (complete = pre-, 3mnd and 12mnd reported) of patients who underwent a THA for osteoarthritis in the Netherlands in 2014-2022 (n=238,517)

TABLE Cumulative revision percentages

		Cumulative revision percentages – Kaplan Meier (95% CI)
	Number (n)	1yr	3yr	5yr	7yr	9yr
Reported pre-, 3mnd and 12mnd PROM
Complete	58,077	0.9 (0.8-1.0)	1.6 (1.5-1.7)	2.1 (1.9-2.2)	2.5 (2.3-2.7)	n.a.
Incomplete	180,440	1.9 (1.8-2.0)	2.7 (2.7-2.8)	3.3 (3.2-3.4)	3.7 (3.6-3.8)	4.1 (3.9-4.2)

Please note: Dotted lines represent the upper and lower limits of the 95% confidence interval.
Please note: A PROM trajectory is considered complete when preoperative, 3-months postoperative and 12-months postoperative PROMs are reported.
THA: total hip arthroplasty; CI: confidence interval; PROM: patient reported outcome measure.

Hip » Survival » Revision by patient characteristics » THA by pre-OHS

FIGURE Cumulative revision percentage of total hip arthroplasties by pre-operative Oxford Hip score of patients who underwent a THA for osteoarthritis in the Netherlands in 2014-2022 (n=114,308)

TABLE Cumulative revision percentages

		Cumulative revision percentages – Kaplan Meier (95% CI)
	Number (n)	1yr	3yr	5yr	7yr
Pre-operative Oxford Hip score
0 to 19	40,639	1.9 (1.7-2.0)	2.7 (2.5-2.9)	3.3 (3.0-3.5)	3.9 (3.6-4.1)
20 to 29	46,940	1.6 (1.4-1.7)	2.3 (2.2-2.5)	2.8 (2.6-3.0)	3.1 (2.9-3.3)
30 to 39	24,615	1.2 (1.1-1.4)	1.9 (1.7-2.1)	2.3 (2.1-2.5)	2.8 (2.5-3.0)
40 to 48	2,114	0.9 (0.5-1.4)	1.3 (0.8-1.9)	1.5 (0.9-2.1)	1.9 (0.9-2.9)

Please note: Dotted lines represent the upper and lower limits of the 95% confidence interval.
PROM: patient reported outcome measure; THA: total hip arthroplasty; CI: confidence interval.

The Oxford Hip score measures the physical functioning and pain of patients with osteoarthritis to the hip. The score has a range of 0.0 to 48.0, with 0.0 representing no functional ability and 48.0 the most functional ability.

Hip » Survival » Revision by patient characteristics » THA by gender