Changes in postoperative depression and anxiety and their relationship with recovery from femoral head necrosis: A longitudinal study

Table 2 Dynamic changes in hospital anxiety and depression scale-depression, hospital anxiety and depression scale-anxiety, and Harris hip scores over time

Time point	HADS-D	HADS-A	HHS
Baseline	7.2 ± 3.8	7.8 ± 3.5	52.3 ± 10.5
6 months	5.4 ± 3.2	5.9 ± 3.1	68.7 ± 9.3
1 year	4.3 ± 2.9	4.7 ± 2.9	78.2 ± 8.5
2 years	3.6 ± 2.7	4.0 ± 2.8	84.6 ± 7.8
3 years	3.1 ± 2.6	3.5 ± 2.8	88.1 ± 7.2
P value	< 0.001	< 0.001	< 0.001

Data are presented as mean ± SD. HADS-D: Hospital anxiety and depression scale-depression; HADS-A: Hospital anxiety and depression scale-anxiety; HHS: Harris hip score.