Table 1 Patients characteristics
| Number | 31 |
| Mean age (range), years | 56.3 (35–75) |
| Gender (male/female) | 12/19 |
| Follow-up (range), months | 23.8 (21–26) |
| Mean operative time (range), mins | 97.4 (50–180) |
| Mean blood loss (range), mls | 234 (100–800) |
| Number | 31 |
| Mean age (range), years | 56.3 (35–75) |
| Gender (male/female) | 12/19 |
| Follow-up (range), months | 23.8 (21–26) |
| Mean operative time (range), mins | 97.4 (50–180) |
| Mean blood loss (range), mls | 234 (100–800) |