Direct anterior approach vs Hardinge in obese and nonobese osteoarthritic patients: A randomized controlled trial

Table 1 Demographic characteristics and clinical measurements of the study sample (n = 120)

Characteristics and Clinical Measurements	DAA–nonobese (n = 30)	DAA–obese (n = 30)	Hardinge–nonobese (n = 30)	Hardinge–obese (n = 30)	P value
Age (yr)1	66.40 ± 7.31	63.73 ± 6.96	69.00 ± 9.00	63.73 ± 6.96	0.102
Height (m)1	1.65 ± 0.09	1.64 ± 0.10	1.62 ± 0.08	1.64 ± 0.09	0.442
Weight (kg)1	73.10 ± 10.95	92.63 ± 14.14a,b	66.30 ± 8.10	93.93 ± 16.09a,b	< 0.001
Body mass index (kg/m2)1	26.61 ± 2.16	34.27 ± 4.12a,b	25.30 ± 2.03	34.73 ± 4.57a,b	< 0.001
Dominant lower limb, n (%)
Right	24 (80.0)	25 (83.3)	27 (90.0)	25 (83.3)	0.756
Left	6 (20.0)	5 (16.7)	3 (10.0)	5 (16.7)
Affected hip, n (%)
Right	15 (50.0)	18 (60.0)	14 (46.7)	18 (60.0)	0.442
Left	15 (50.0)	12 (40.0)	16 (53.3)	12 (40.0)
Walking aid, n (%)
No	25 (83.3)	22 (73.3)	24 (80)	19 (63.3)	0.292
Yes	5 (16.7)	8 (26.7)	6 (20.0)	11 (36.7)
Kellgren & Lawrence classification, n (%)
Grade 3	21 (70.0)	19 (63.3)	20 (66.7)	19 (63.3)	0.939
Grade 4	9 (30.0)	11 (36.7)	10 (33.3)	11 (36.7)
Face Pain Scale-Revised1 (10 = worst pain)	6.47 ± 1.55a	6.87 ± 1.80	7.13 ± 1.36	7.60 ± 1.52	0.045
Timed Up and Go test (s)1	16.09 ± 3.07a	16.07 ± 5.56a	17.12 ± 5.22	19.32 ± 4.99	0.033
Modified Harris Hip Score – Greek version1 (100 = max best score)	41.00 ± 6.55	33.94 ± 9.62b	38.53 ± 8.15	31.66 ± 11.14b	< 0.001
International Hip Outcome Tool (12 items) – Greek version1 (100 = max best score)	31.43 ± 9.04	31.52 ± 8.26	28.28 ± 9.24	26.39 ± 10.00	0.100

¹The values are expressed as mean ± SD.

^aP < 0.005 vs DAA-nonodese.

^bP < 0.005 vs Hardinge –nonobese. DAA: Direct anterior approach.