Comparison of clinical outcomes between total hip replacement and total knee replacement

Table 6 Comparison of pre-operative and post-operative total hip replacement patient reported outcome measure scores: Cemented, uncemented and hybrid fixations

		Cemented (n = 36), median (IQR)	Uncemented (n = 28), median (IQR)	Hybrid (n = 4), median (IQR)	P value1	H value
HOOS pain	Pre-operative	35 (22.4-44.6)	31 (25-38)	40 (33-X)	0.512	1.338
	Post-operative	95 (70-100)	98 (93-100)	89 (83- X)	0.332	2.205
HOOS symptoms	Pre-operative	40 (30-50)	35 (29-45)	35 (15-X)	0.544	1.216
	Post-operative	85 (75-90)	95 (85-100)	73 (65-X)	0.046a	6.614
HOOS ADL	Pre-operative	37 (25-43)	35 (28-44)	40 (35-X)	0.808	0.425
	Post-operative	91 (68-96)	98 (84-100)	80 (66-X)	0.176	3.479
HOOS Sport/Rec	Pre-operative	16 (5-27)	25 (6-43)	25 (19-X)	0.611	0.986
	Post-operative	75 (48-95)	94 (75-100)	59 (50-X)	0.111	4.405
HOOS QoL	Pre-operative	19 (6-31)	19 (13-38)	31 (25-X)	0.401	1.827
	Post-operative	75 (50-94)	88 (69-100)	56 (50-X)	0.259	2.703
Overall HOOS	Pre-operative	26.1 (19.7-40.0)	29.7 (21.5-40.3)	35.9 (25.3-X)	0.812	0.418
	Post-operative	88.4 (64.8-92.2)	95.0 (79.0-98.8)	71.4 (65.2-X)	0.130	4.086
WOMAC pain	Pre-operative	45 (25-55)	35 (30-40)	40 (35-X)	0.497	1.398
	Post-operative	95 (65-100)	95 (90-100)	90 (80-X)	0.764	0.538
WOMAC stiffness	Pre-operative	25 (25-50)	25 (25-38)	25 (25-X)	0.964	0.074
	Post-operative	88 (75-88)	88 (75-100)	69 (63-X)	0.170	3.540
WOMAC function	Pre-operative	39.7 (26.5-50.0)	34.6 (29.0-44.1)	39.7 (35.3-X)	0.790	0.472
	Post-operative	91.2 (67.7-95.6)	98.5 (83.8-100)	80.1 (66.2-X)	0.190	3.317
Oxford hip score	Pre-operative	14 (10-19)	14 (11-22)	19 (17-X)	0.238	2.872
	Post-operative	41 (33-46)	44 (39-47)	38 (34-X)	0.347	2.118
EQ-5D index	Pre-operative	0.375 (0.155-0.533)	0.314 (0.217-0.535)	0.604 (0.482-X)	0.128	4.106
	Post-operative	0.836 (0.592-1)	1 (0.747-1)	0.790 (0.580-X)	0.529	1.274
EQ-5D VAS	Pre-operative	65 (50-80)	65 (39-80)	60 (60-X)	0.938	0.127
	Post-operative	90 (70-95)	90 (80-98)	80 (65-X)	0.779	0.499
SF-12 PCS	Pre-operative	25.0 (21.1-27.3)	25.3 (21.9-31.1)	24.7 (20.4-X)	0.597	1.030
	Post-operative	50.6 (32.3-54.8)	53.4 (43.3-55.8)	42.9 (36.4-X)	0.447	1.610
SF-12 MCS	Pre-operative	49.5 (41.1-58.2)	50.6 (38.7-58.6)	50.7 (34.4-X)	0.980	0.040
	Post-operative	56.6 (53.7-59.8)	59.2 (57.3-60.8)	47.1 (36.1-X)	0.128	4.104

¹Kruskal Wallis H test.

^aStatistically significant P < 0.05.

IQR: Interquartile range; HOOS: Hip Osteoarthritis Outcome Score; ADL: Activities of daily living; Sport/Rec: Sports and recreation; QoL: Quality of life; WOMAC: Western Ontario and McMaster Universities Osteoarthritis Index; EQ-5D: EuroQol-5D index; VAS: Visual Analogue Scale; SF-12: Short Form 12 item survey; PCS: Physical component summary; MCS: Mental component summary.