Comparative efficacy of intraoperative extracorporeal irradiated and alcohol-inactivated autograft reimplantation for the management of osteosarcomas—a multicentre retrospective study

Table 1 Demographic characteristics of the patients

Group	Group A (n = 14) Extracorporeal irradiation treatment	Group B (n = 14) Alcohol-inactivated treatment	P value
Sex
Male	6	8	0.706^a
Female	8	6
Age, years (mean)	17.14 ± 8.87	15.57 ± 4.78	0.564^b
Tumour location
Distal femur	5	6	0.291^c
Proximal tibia	4	7
Other	5	1
Autograft length (mean, cm)	17.64 ± 4.77	16.00 ± 4.08	0.336^d
Follow-up (mean, months)	133.43 ± 20.55	122.50 ± 14.09	0.590^e

^aThere was no difference in sex between the two groups (according to Fisher’s exact test, P > 0.05)
^bThere was no difference in tumour location between the two groups (according to the independent-samples t test, P > 0.05)
^cThere was no difference in age between the two groups ( according to Fisher’s exact test, P > 0.05)
^dThere was no difference in autograft length between the two groups (according to the independent-samples t test, P > 0.05)
^eThere was no difference in the follow-up duration between the two groups (according to the Kaplan-Meier test, P > 0.05)

ISSN: 1477-7819