Follow‐up
Study
Araujo 2003	Mean 47.2 months
Braga 2005	Median 36 months (range: 15‐60 months)
COST 2004	Median 4.4 years|
Curet 2000	Mean 4.9 years
Jayne 2007	Median 36.8 months (range 20.0‐61.5 months)
Kaiser 2004	Median 35 months (range: 3‐69 months)
Lacy 2002	Median 43 months (range: 27‐85 months)
Leung 2004	Mean 52.7 months in lap. and 49.2 in open arm
Liang 2007	Median 40 months (range: 18‐72 months)
Milsom 1998	Median 1.5 years (range: 1.5‐46 months)
Winslow 2002	Mean 30.1 months
Zhou 2004	Range 1‐16 months