2.
Association between serum total/ionized calcium level and clinical parameters
| Variables | Calcium concentration [n (%)] | Adjusted calcium concentration [n (%)] | |||||
| Low* | High* | P | Low* | High* | P | ||
| FIGO, Federation International of Gynecology and Obstetrics; LVSI, lymph-vascular space invasion. *, Low and High were defined according to the means of calcium concentration (9.1 mg/dL) and adjusted calcium concentration (8.8 mg/dL). | |||||||
| Peritoneal cytology | 0.247 | <0.001 | |||||
| Negative | 200 (90.9) | 196 (87.5) | 213 (94.2) | 183 (83.9) | |||
| Positive | 20 (9.1) | 28 (12.5) | 13 (5.8) | 35 (16.1) | |||
| Tumor grade | 0.059 | 0.007 | |||||
| 1 | 78 (35.5) | 71 (31.7) | 76 (33.6) | 73 (33.5) | |||
| 2 | 102 (46.4) | 91 (40.6) | 111 (49.1) | 82 (37.6) | |||
| 3 | 40 (18.2) | 62 (27.7) | 39 (17.3) | 63 (28.9) | |||
| FIGO stage | 0.128 | 0.088 | |||||
| I | 181 (82.3) | 173 (77.2) | 186 (82.3) | 168 (77.1) | |||
| II | 10 (4.5) | 11 (4.9) | 9 (4.0) | 12 (5.5) | |||
| III | 27 (12.3) | 30 (13.4) | 29 (12.8) | 28 (12.8) | |||
| IV | 2 (0.9) | 10 (4.5) | 2 (0.9) | 10 (4.6) | |||
| Lymph node metastasis | 0.289 | 0.354 | |||||
| Negative | 202 (91.8) | 199 (88.8) | 207 (91.6) | 194 (89.0) | |||
| Positive | 18 (8.2) | 25 (11.2) | 19 (8.4) | 24 (11.0) | |||
| LVSI | 0.309 | 0.012 | |||||
| Negative | 184 (83.6) | 179 (79.9) | 195 (86.3) | 168 (77.1) | |||
| Positive | 36 (16.4) | 45 (20.1) | 31 (13.7) | 50 (22.9) | |||
| Recurrence | 0.819 | 0.330 | |||||
| No | 201 (91.4) | 206 (92.0) | 210 (92.9) | 197 (90.4) | |||
| Yes | 19 (8.6) | 18 (8.0) | 16 (7.1) | 21 (9.6) | |||