Safety and efficacy of surgical hip dislocation in managing femoral head fractures: A systematic review and meta-analysis

Table 2 Operation time and blood loss (six studies)

Ref.	Operation time	Blood loss
Solberg et al[12], 2009	121.0 ± 28.3 (102-215)	350.00 ± 125.00 (250-750)
Mostafa et al[13], 2014	120.0 ± 19.7	283.00 ± 124.90
Massè et al[14], 2015	155.2 ± 53.1	1436.90 ± 663.80
Wang et al[16], 2019	124.2 ± 22.1	437.50 ± 113.10
Engel et al[17], 2020	NR	503.00 ± 181.25
Rana et al[18], 2020	90.0	450.00

NR: Not reported.