Table 3.

Clinical results of PAO in the literature and reported nerve injury

Study	Number of hips	Mean age at time of PAO (years)	Mean followup (years)	Nerve injury
Trousdale et al. [21]	32 isolated PAO (76%)	37	4	1 hip with LFCN requiring neurolysis
	10 combined ITO and PAO (24%)
Cockarell et al. [5]	21 isolated PAO (79%)	21	3.2	3 peroneal nerve dysfunction
	4 combined ITO and PAO (21%)
Matta et al. [12]	56 isolated PAO (85%)	34	4	None described
	10 combined ITO and PAO (15%)
Trumble et al. [22]	90 isolated PAO (73%)	33	4.3	None described
	33 combined ITO and PAO (27%)
Siebenrock et al. [18]	59 isolated PAO (79%)	29	11.3	1 femoral nerve dysfunction
	16 combined ITO and PAO (21%)
Clohisy et al. [2]	10 isolated PAO (62%)	17.6	4.3	1 femoral nerve and 1 peroneal nerve dysfunction
	6 combined ITO and PAO (38%)
Kralj et al. [10]	26 hips	34	12	None described
Peters et al. [16]	69 (83%) isolated PAO	28	3.8	3 femoral nerve and 1 sciatic nerve dyfunction 1 (1%) LFCN
	13 (16%) combined ITO and PAO
Steppacher et al. [19]	59 isolated PAO (79%)	29	20.4	1 femoral nerve dysfunction
	16 ITO (21%)
Biedermann et al. [1]	33 isolated PAO	27	7.4	1 sciatic and 5 peroneal nerve dysfunction
	17 combined ITO and PAO
Millis et al. [14]	87 hips	44	4.9	1 sciatic sensory neurapraxia
Matheney et al. [11]	110 isolated PAO	27	9	9 transient peroneal nerve palsy
	25 combined ITO and PAO
Thawrani et al. [20]	78 isolated PAO	15	2	4 LFCN dysfunction
	5 combined ITO and PAO

PAO = periacetabular osteotomy; ITO = intertrochanteric osteotomy; FNL = relative femoral neck lengthening; LFCN = lateral femorocutaneous nerve.