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Table 1

Basic information of patient group & hospital stay.

Sex and age

 Male 57(55%) average 62.6years old
 Female 46(45%) average 59.9 years old
One stage surgery (18 cases)

 Operating time 6.15 hours
 Average hospital days 16.7 days
Two stages surgeries (85 cases)

 First operating time 5.13 hours
 Days between operation average 5.1 days
 Second operating time 2.39 hours Average
 Hospital stay 19.5 days