Electromagnetic navigation group | Optical navigation group | P | |
---|---|---|---|
Number of screws | 168 | 184 | – |
Duration of guide wires insertion (min) | 15.41 ± 2.68 | 20.20 ± 3.41 | 0.000 |
Duration of decompression and cage placement (min) | 73.43 ± 7.04 | 85.83 ± 7.74 | 0.000 |
Frequency of adjustment for guide wires (times) | 3 | 7 | 0.414 |
Rate of adjustment (%) | 1.78 | 3.80 | |
operative time (min) | 170.38 ± 14.79 | 180.74 ± 14.84 | 0.002 |
Operative blood loss (ml) | 20.45 ± 5.52 | 20.04 ± 5.59 | 0.731 |
Frequency of X-ray exposure (times) | 8.95 ± 1.67 | 8.54 ± 1.53 | 0.234 |
Hospitalization after operation (days) | 3.50 ± 0.94 | 3.24 ± 0.64 | 0.137 |