Table 4.

Complications and preoperative and postoperative LLDs

Author	n of patients	Infections, % (n)	Complications, n	Sciatic nerve palsy, % (n)	Femoral nerve palsy, % (n)	Intraoperative periprosthetic fracture, % (n)	Deep vein thrombosis, % (n)	Dislocations, % (n)	Mean LLD preoperatively in cm	Mean LLD postoperatively in cm
Park et al. [36]	25	0 (0)	11	0 (0)	4(1)	32 (8)	0 (0)	8 (2)	6.3	3.9
Luo et al. [29]	101	0 (0)	14	3 (3) (t)	0 (0)	7 (7)	0 (0)	4 (4)	3.4	1.1
Yang et al. [45]	49	0 (0)	4	4 (2) (t)	0 (0)	2 (1)	0 (0)	2 (1)	3.96	0.72
Wang et al. [43]	56	2 (1)	12	9 (5) (t)	0 (0)	9 (5)	0 (0)	4 (2)	4.5	1.2
Zeng et al. [48]	45	2 (1)	7	7 (3) (t)	0 (0)	4 (2)	0 (0)	4 (2)	3.89	0.64
Kim et al. [20]	62	2 (1)	9	3 (2) (t)	0 (0)	5 (3)	0 (0)	5 (3)	4.5	2.6
Yoo et al. [46]	38	3 (1)
Lian et al. [26]	52	0 (0)	4	2 (1)	4 (2) (t)	0 (0)	0 (0)	2 (1)	3.4	1.2
Lim and Park [27]	58	2 (1)	4	2 (1) (t)	0 (0)	3 (2)	2 (1)	0 (0)
Kim et al. (cementless group) [18]	116	0 (0)	1	1 (1) (t)	0 (0)	0 (0)	0 (0)	0 (0)
Kim et al. (cemented hybrid group) [18]	45	4 (2)	1	2 (1) (t)	0 (0)	0 (0)	0 (0)	0 (0)
Kim [16]	44	0 (0)	9	7 (3)	5 (2, associated with sciatic nerve palsy)	14 (6)	0 (0)	0 (0)	1.6	0.9

LLD = leg length discrepancy; t = transient.