Table 3.

Outcomes by Spacer Type

	Static	Articulating	Odds Ratio	P
Surgical time (min)—1st stage			—
Overall	184.6 ± 73.0	180.9 ± 59.3	—	0.694
Knee	160.5 ± 57.7	176.5 ± 70.2	—	0.180
Hip	198.6 ± 55.3	208.6 ± 77.4	—	0.521
Primaries	166.3 ± 47.0	170.8 ± 46.6	—	0.570
No contraindication to dynamic	151.4 ± 41.7	167.8 ± 43.7	—	0.215
Surgical time (min)—2nd stage			—
Overall	234.2 ± 65.7	180.5 ± 47.5	—	<0.001
Knee	233.4 ± 66.4	179.1 ± 51.8	—	<0.001
Hip	237.4 ± 65.2	182.0 ± 43.4	—	0.001
Primaries	233.9 ± 10.1	179.5 ± 47.9	—	<0.001
No contraindication to dynamic	197.3 ± 48.5	172.7 ± 38.0	—	0.008
Treatment failure
Overall	58.6% (58/99)	36.2% (47/130)	2.50 (1.46-4.27)	0.001
Knee	55.6% (40/72)	35.5% (22/62)	2.27 (1.13-4.57)	0.024
Hip	66.7% (18/27)	36.8% (25/68)	3.44 (1.34-8.81)	0.012
Primaries	56.7% (34/60)	34.8% (32/92)	2.45 (1.26-4.78)	0.008
No contraindication to dynamic	60.0% (27/45)	35.3% (31/88)	2.76 (1.32-5.58)	0.006
Extensile exposure—2nd stage
Overall	26.5% (18/68)	13.2% (14/106)	2.37 (1.09-5.15)	0.028
Knee	27.8% (15/54)	9.1% (5/55)	3.85 (1.29-11.50)	0.012
Hip	21.4% (3/14)	17.6% (9/51)	1.27 (0.29-5.51)	0.747
Primaries	19.5% (8/41)	9.1% (7/77)	2.42 (0.81-7.25)	0.106
No contraindication to dynamic	6.7% (3/45)	5.7% (5/88)	1.19 (0.27-5.20)	0.821
No reimplantation
Overall	27.3% (27/99)	10.8% (14/130)	3.11 (1.53-6.32)	0.001
Knee	20.8% (15/72)	3.2% (2/62)	7.90 (1.73-36.07)	0.003
Hip	44.4% (12/27)	17.6% (12/68)	3.73 (1.40–9.97)	0.010
Primaries	25.0% (15/60)	10.9% (10/92)	2.73 (1.14-6.58)	0.022
No contraindication to dynamic	33.3% (15/45)	11.4% (10/88)	3.90 (1.58-9.63)	0.002
Mortality
Overall	6.1% (6/99)	3.1% (4/130)	2.03 (0.558-7.41)	0.274
Knee	6.9% (5/72)	3.2% (2/62)	2.24 (0.42-11.97)	0.450
Hip	3.7% (1/27)	2.9% (2/68)	1.27 (0.11-14.6)	0.848
Primaries	5.0% (3/60)	3.3% (3/92)	1.56 (0.31-8.01)	0.681
No contraindication to dynamic	4.4% (2/45)	3.4% (3/88)	1.32 (0.21-8.19)	0.766

Bold entries denote P values below a threshold of 0.05.