Table 1.
Patient demographics and clinical characteristics
| Characteristic | Paragangliomas group (n = 24) |
Schwannoma group (n = 26) |
P-value |
|---|---|---|---|
| No. of patients (female) | 24 (12) | 26 (8) | – |
| aAge (years) | 48.04 ± 9.70 | 40.88 ± 13.29 | 0.036 |
| Hypertension (n) | 11 | 1 | 0.001 |
| CA-related symptoms (n) | 3 | 0 | 0.001 |
| Symptomless(n) | 10 | 20 | 0.001 |
| VMA/24 h (Positive) | 22 (9) | 0 | 0.001 |
| CA/24 h (Positive) | 22 (9) | 0 | 0.001 |
| 131I–MIBG positive | 9 | 0 | 0.001 |
| other symptoms | |||
| Abdominal mass (n) | 2 | 4 | – |
| Lumbago (n) | 3 | 2 | – |
| dysuria (n) | 0 | 1 | – |
| Resection of tumor | |||
| Laparoscopic surgery (n) | 9 | 6 | – |
| Robot-assisted laparoscopic (n) | 10 | 1 | – |
| Laparotomy (n) | 5 | 19 | – |
aValues are mean values ± standard deviations. P values were calculated by using t test
Other data are numbers of patients (n). P values were calculated by using x2 test. CA-related symptoms catecholamine-related symptoms, VMA Vanilmandelic acid, CA Catecholamine, MIBG Metaiodobenzylguanidine scintigraphy