Clavicle hook plate versus distal clavicle locking plate for Neer type II distal clavicle fractures

Table 1 General characteristic of the included studies

Author	No. of patients (I/C)	Position	Incision	Fracture type	Female (%)	Age (year)	Follow-up	Outcomes	Study
Dai 2011	25 vs 20	Beach chair	Longitudinal	Neer IIB	32.5	45.6	3 months	1, 2, 3, 4, 5	RCT
Wu 2012	12 vs 13	Beach chair	Longitudinal	Neer II	44.4	36.8	8.66 months	1, 2, 3, 4, 5, 6	RCT
Xiong 2012	21 vs 13	Beach chair	Longitudinal	Neer II	50.8	41.26	24 months	1, 2, 3, 4, 6	RCT
Tan 2012	23 vs 19	Beach chair	Longitudinal	Neer II	35.7	43.7	NS	1, 2, 3, 5, 6	RCT
Zhang 2013	35 vs 35	NS	Longitudinal	Neer II	26.4	52	15.2 months	1, 2, 3, 4, 5, 6	RCT
Du 2014	24 vs 28	NS	Longitudinal	Neer II	39.8	40.5	NS	1, 2, 3, 4, 5, 6	RCT
Hu 2014	30 vs 32	Beach chair	Longitudinal	Neer II	56.8	39	9 months	1, 2, 3, 4, 5, 6	RCT
Zhu 2014	26 vs 20	Beach chair	Longitudinal	Neer II	62.4	41.13	27.5 months	1, 2, 3, 6	RCT
Dou 2014	34 vs 36	Beach chair	Longitudinal	Neer II	44.0	52	12 months	1, 2, 3, 4, 5, 6	RCT

1 Constant-Murley scores at 3 months; 2 Constant-Murley scores at 6 months; 3, the occurrence of shoulder pain; 4, the occurrence of shoulder joint abduction limited cases, 5, the occurrence of delayed union; 6, the occurrence of acromion impingement syndrome

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