Table 3.
Variable | Total (n=73) | Group 1 (n=18) | Group 2 (n=18) | Group 3 (n=18) | Group 4 (n=19) | p-valuea) |
---|---|---|---|---|---|---|
Pedicle screws placed | 352 (100.0) | 89 (100.0) | 87 (100.0) | 90 (100.0) | 86 (100.0) | |
Intraoperative screw revision | 1 (0.3) | 0 | 0 | 0 | 1 (1.2) | |
Misplaced screws | 0 | 0 | 0 | 0 | 0 | |
Complications (%) | 4 (5.5) | 0 | 1 (5.6) | 3 (16.7) | 0 | 0.093 |
Values are presented as number (%), unless otherwise stated.
From Fisher’s exact, with Freeman-Halton extension, chi-square, Mann-Whitney U-test, Kruskal-Wallis, one way analysis of variance as appropriate.
p <0.05 (significant).