Psychological stress response and intervention strategies for elderly patients with hip fractures during the prehospital emergency period

Table 8 Comparison of Harris Hip Scores between the two groups at different follow-up time points (mean ± SD, points)

Group	n	3 months postoperatively	6 months postoperatively	12 months postoperatively	Excellent and good rate at 12 months (%)
Control group	40	65.32 ± 5.45	75.68 ± 6.12	82.15 ± 5.89	65.00 (26/40)
Observation group	40	72.45 ± 5.89	83.21 ± 5.78	89.67 ± 5.34	87.50 (35/40)
t/χ2	-	5.987	6.345	6.789	6.410
P value	-	< 0.01	< 0.01	< 0.01	0.011