| Measurement Time | mean | Standard Deviation |
IVRO* n = 30 | Before Surgery | 98.7 | 3.2 |
1 week after surgery | 102.6 | 2.5 | |
12 week after surgery | 102.4 | 2.2 | |
BSSRO** n = 30 | Before Surgery | 98.1 | 3.2 |
1 week after surgery | 101.17 | 3.6 | |
12 week after surgery | 102.3 | 3.2 |