Table 1.
Demographic characteristics of the patients
| Variable | Group A | Group B | p-value |
|---|---|---|---|
| Total | 244 | 31 | |
| Sex, No. (%) | 0.638 | ||
| Male | 196 (80.3) | 26 (83.9) | |
| Female | 48 (19.7) | 5 (16.1) | |
| Age (yr), mean (range) | 36.19 (7–80) | 38.48 (5–88) | 0.498 |
| Mean follow-up period (mo) | 8.93 | 9.00 | 0.954 |
| Diabetes mellitus, No. (%) | 12 (4.9) | 0 | 0.372 |
| Hypertension, No. (%) | 27 (11.1) | 4 (12.9) | 0.763 |
| Smoking, No. (%) | 76 (31.1) | 9 (29.0) | 0.810 |
| Inflammatory disease | 0 | 0 | 1.000 |
| Fracture site | |||
| Frontal bone | 9 | 0 | 0.604 |
| Medial orbital wall | 62 | 9 | 0.664 |
| Inferior orbital wall | 95 | 16 | 0.175 |
| Maxilla | 52 | 6 | 0.801 |
| Zygomaticomaxillary complex | 116 | 14 | 0.803 |
| Plate, No. (%)a) | |||
| Absorbable | 231 (94.7) | 29 (93.5) | 1.000 |
| Titanium | 16 (6.5) | 2 (6.5) | 1.000 |
Group A, patients without postoperative maxillary sinus pathology; Group B, patients with postoperative maxillary sinus pathology.
The independent sample t-test was employed for continuous variables (age and follow-up period), while the chi-square test and the Fisher exact test were utilized for categorical variables (sex, diabetes mellitus, hypertension, smoking, inflammatory disease, fracture site, and plate).
a)
In group A, both absorbable and titanium plates were used for open reduction and internal fixation in three patients.