Feasibility and anteversion accuracy of a patient-specific instrument for femoral prosthesis implantation in total hip arthroplasty

Table 3 Intra-operative blood loss, total operation time, hospital stay and time to walk on the ground

	PSI	FRH	p-value ^a
Length of hospitalization (days)	11.73 (5–24)	10.97 (1–20)	0.478
Operation time (min)	112.50 (65.00–175.00)	108.50 (60.00–165.00)	0.581
Intra-operative blood loss (ml)	324.00 (100.00–1000.00)	361.67 (50.00–1800.00)	0.598
TTSW (days)	7.00 (3.00–19.00)	6.37 (5.00–13.00)	0.364

TTSW: Time to start walking on the ground after surgery, FRH: free-hand group, PSI: patient-specific instrument group
^aStudent’s t-test; Values are mean (ranges). p-value < 0.05 considered statistically significant

ISSN: 1475-925X