Table 3.
Univariate and Multivariable Logistic Regression Analyses of Variables and Associations With 30-Day Hypocalcemic Events Among All Patients, and Among Patients With Malignancy.
| All patients—30-day HCE analysis | |||||
|---|---|---|---|---|---|
| Variable | Comparison | Univariate OR (95% CI) | P-value | Multivariable OR (95% CI) | P-value |
| Age (per 5 year increase) | .90 (.88, .92) | <.001 | .90 (.88, .93) | <.001 | |
| BMI (per 5 kg/m2 increase) | .94 (.89, .99) | .028 | .95 (.90, 1.01) | .080 | |
| Sex | Male vs. female | .74 (.60, .91) | .004 | .71 (.57, .88) | .002 |
| ASA class | 3/4 vs. 1/2 | .91 (.77, 1.08) | .266 | 1.23 (1.01, 1.49) | .036 |
| IONM | Yes vs. no | .89 (.75, 1.05) | .154 | .81 (.68, .96) | .013 |
| Use of VSD | Yes vs. no | .85 (.72, 1.01) | .066 | .96 (.80, 1.14) | .604 |
| Malignancy | Yes vs. no | 1.40 (1.18, 1.67) | <.001 | 1.21 (1.01, 1.45) | .038 |
| Central neck dissection | Yes vs. no | 2.36 (2.00, 2.78) | <.001 | 2.25 (1.89, 2.67) | <.001 |
| Malignancy patients—30-day HCE analysis | |||||
| Variable | Comparison | UnivariateOR (95% CI) | P-value | MultivariableOR (95% CI) | P-value |
| Age (per 5 year increase) | .90 (.87, .93) | <.001 | .91 (.88, .94) | <.001 | |
| BMI (per 5 kg/m2 increase) | .92 (.85, .98) | .012 | .93 (.87, 1.00) | .063 | |
| Sex | Male vs female | .72 (.56, .92) | .009 | .70 (.54, .90) | .005 |
| ASA class | 3/4 vs 1/2 | .85 (.69, 1.05) | .125 | 1.15 (.91, 1.46) | .244 |
| IONM | Yes vs no | .84 (.69, 1.02) | .082 | .73 (.60, .90) | .003 |
| Use of VSD | Yes vs no | .92 (.75, 1.12) | .390 | 1.06 (.86, 1.30) | .580 |
| Central neck dissection | Yes vs no | 2.57 (2.12, 3.13) | <.001 | 2.59 (2.12, 3.17) | <.001 |
Abbreviations: ASAs, American Society of Anesthesiologists; BMI, body mass index; HCE, hypocalcemic events; IONM, intraoperative nerve monitoring; OR, odds ratio; VSD, vessel sealant device.