Prognostic factors and its predictive value in patients with metastatic spinal cancer

Table 2 Frankel spinal cord injury functional classification scale score in patients with spinal metastatic tumors of different outcomes, n (%)

Groups	n	Time points	Frankel spinal cord injury functional classification scale score
			Grade A	Grade B	Grade C	Grade D	Grade E
Survival group	28	Before surgery	0 (0.0)	0 (0.0)	2 (7.1)	5 (17.9)	21 (75.0)
		1 mo after surgery	0 (0.0)	0 (0.0)	0 (0.0)	6 (21.4)	22 (78.6)
Death group	81	Before surgery	0 (0.0)	3 (3.7)a	11 (13.6)a	21 (5.9)a	46 (56.8)a
		1 mo after surgery	15 (18.5)b	14 (17.3)b	8 (9.9)b	23 (28.4)	21 (25.9)b

^aP < 0.05 vs the survival group before the surgery;

^bP < 0.05 vs the survival group at 1 mo after the surgery.