Group | Number of cases | Sex | Age (years) | Number of screws | Screw placement duration | Screw placement results (%) | ||||
---|---|---|---|---|---|---|---|---|---|---|
Male | Female | Excellent rate | Good rate | Acceptable rate | Unacceptable rate | |||||
Guide template group | 21 | 6 | 15 | 56.9 ± 8.4 | 42 | 151.6 ± 44.8 | 95.2 (40/42) | 100 (42/42) | 100 (42/42) | 0 (0/42) |
Free-hand group | 26 | 9 | 17 | 58.6 ± 8.1 | 52 | 138.3 ± 45.9 | 80.8 (42/52) | 94.2 (49/52) | 100 (52/52) | 0 (0/52) |
Statistic value | – | 0.195 | − 0.706 | – | 1.411 | 4.368 | – | – | – | |
P value | – | 0.659 | 0.484 | – | 0.162 | 0.037 | 0.251 | – | – |