Table 4.

Hospital anxiety and depression scale (HADS) results

	EXP	CTR	p value
Anxiety
All patients	12/94 (12.8 %)	75/95 (78.9 %)	<0.0001*,a
Hip arthroplasty group	7/61 (11.5 %)	49/63 (77.8 %)	<0.0001*,b
Knee arthroplasty group	5/33 (15.2 %)	26/32 (81.3 %)	<0.0001*,b
Depression
All patients	12/94 (12.8 %)	70/95 (73.7 %)	<0.0001*,a
Hip arthroplasty group	8/61 (13.1 %)	49/63 (77.8 %)	<0.0001*,b
Knee arthroplasty group	4/33 (12.1 %)	21/32 (65.6 %)	<0.0001*,b

Calculation performed on 95 patients in the EXP group (63 hips; 32 knees) and 94 patients in the CTR group (61 hips; 33 knees)

* Significance at p < 0.05

^aChi-squared test with Yate’s correction

^bFisher’s exact test