Outcomes of intramedullary nailing for acute proximal humerus fractures: a systematic review

Journal of Orthopaedics and Traumatology

Official Journal of the Italian Society of Orthopaedics and Traumatology

Table 1 Demographic and operative details of included studies

Authors	Publication date	Type of study	No. of patients		Neer fracture type			Mean age (years)	Female/male	Mean follow-up (months)	Minimum follow-up (months)
Authors	Publication date	Type of study	Baseline	Final	Two-part	Three-part	Four-part	Mean age (years)	Female/male	Mean follow-up (months)	Minimum follow-up (months)
Hatzidakis et al. [7]	2011	Retrospective	48	38	38	0	0	65	28/10	20	12
Nolan et al. [8]	2011	Retrospective	18	13	9	4	0	71	10/3	42	24
Adedapo et al. [11]	2001	Retrospective	16	16	0	10	6	67.1	NR	12	12
Lin et al. [13]	1998	Retrospective	16–18	16	6	0	0	67.6	10/6	19.6	14
Konrad et al. [15]	2012	Prospective	58^a	47	0	47	0	64.8	447/11	12	12
Trepat et al. [17]	2012	Retrospective	15	13	3	0	0	64.5	7/6	12	12
Gradl et al. [19]	2007	Prospective	69–96^b	69	7	35	17	67.2	67/36	12	12
Lin et al. [23]	2006	Prospective	22–27	22	0	22	0	53.3	10/12	23.9	19
Kazakos et al. [24]	2007	Retrospective	31	27	16	11	0	65.9	17/10	12	12
Koike et al. [25]	2008	Retrospective	54	54	29	22	3	66	44/10	18	13
Linhart et al. [26]	2007	Retrospective	97	51	5	31	5	68.4	39/12	12	12
Park et al. [27]	2012	Retrospective	43	43	0	43	0	60.2	34/9	65	35
Sforzo et al. [28]	2009	Retrospective	14	14	7	5	2	56	9/5	40	12
Zhu et al. [29]	2011	Prospective	28	25	5	0	0	54.8	16/9	36	36
Totals			529–563	448	185	230	33		338/139^c
Frequency-weighted mean								64.3		22.6	16.4

NR, not reported
^aOnly baseline demographic data provided
^bFour four-part fracture dislocations and 12 fractures with shaft extension excluded. Mean age and follow-up reported for entire baseline cohort of 112 patients, but weighted for 69 patients
^cTotal does not add up to total patient number given (b)