Table 2.
Clinical and histological features of the material.
| Feature | n | % |
|---|---|---|
| Age | ||
| Min–Max years | 13–97 | |
| Average (Median) | 61 (64) | |
| Sex | ||
| Male | 902 | 46.2% |
| Female | 1052 | 53.8% |
| Place of residence | (1895) | |
| Village | 501 | 26.43% |
| Town | 671 | 35.40% |
| City | 723 | 38.15% |
| Tumors size | (1948) | |
| <2 cm | 569 | 29.20% |
| 2–4 cm | 1098 | 56.36% |
| >4 cm | 281 | 14.42% |
| Preoperative facial nerve palsy | 53 | 2.71% |
| benign | 2 | 0.11% |
| malignant | 51 | 33.77% |
| Preoperative FNAB | 1259 | 64.43% |
| Positive | 902 | 71.64% |
| Negative (of malignant) | 331 (46) | 26.29% (45.54%) |
| Non diagnostic (of malignant) | 26 (2) | 2.06% (1.98%) |
| Kind of surgery | ||
| Extracapsular dissection | 114 | 5.83% |
| Partial superficial parotidectomy | 334 | 17.09% |
| Lateral conservative parotidectomy | 832 | 42.57% |
| Subtotal conservative parotidectomy | 299 | 15.30% |
| Total conservative parotidectomy | 328 | 16.78% |
| Total semiconservative parotidectomy | 9 | 0.46% |
| Total radical parotidectomy | 38 | 1.9% |
| Postoperative facial nerve status | (1654) | |
| Normal function | 1374 | 83.07% |
| Paresis/palsy (unintentional) | 280 | 16.92% |
| Total (all branches/trunk) | 89 | 5.38% |
| Partial (branch/es) | 191 | 11.54% |
| Single marg. mandibular branch | 131 | 7.92% |
| Histology (WHO 2017) | (1954) | |
| Benign tumors | 1803 | 93.37% |
| Malignant tumors | 151 | 7.72% |
| Radicality (total/malignant) | (1633/116) | |
| R0 | 1513/82 | 92.65% (70.68%) |
| R1 | 96/28 | 5.87% (24.13%) |
| R uncertain | 24/6 | 1.46% (5.17%) |