Table 5 Factors associated with operating time in multivariate analysis
From: Impact of body mass index on robotic transaxillary thyroidectomy
Operation | Associated factors | Beta coefficient | 95% confidence interval | p value | |
|---|---|---|---|---|---|
Working space time | Less-than-BTT | Sex (male) | 3.97 | 2.10–5.85 | <0.001* |
BMI | |||||
25–29.99 | 1.24 | −0.40–2.87 | 0.138 | ||
≥30 | 8.66 | 4.49–12.83 | <0.001* | ||
BTT | Tumor size (cm) | 1.39 | 0.09–2.69 | 0.036* | |
Sex (male) | 4.98 | 2.49–7.47 | <0.001* | ||
BMI | |||||
25–29.99 | 1.05 | −1.03–3.12 | 0.324 | ||
≥30 | 5.16 | 0.29–10.03 | 0.038* | ||
Console time | Less-than-BTT | Number of CLNs retrieved | 0.34 | 0.12–0.56 | 0.003* |
BMI | |||||
25–29.99 | −0.30 | −2.48–1.88 | 0.786 | ||
≥30 | 5.12 | −0.45–10.70 | 0.072 | ||
BTT | Tumor size (cm) | 2.28 | 0.25–4.30 | 0.028* | |
Number of CLNs retrieved | 0.53 | 0.24–0.83 | <0.001* | ||
Sex (male) | 8.55 | 4.69 12.41 | <0.001* | ||
BMI | |||||
25–29.99 | 2.76 | −0.47–5.99 | 0.094 | ||
≥30 | 0.34 | −7.12–7.80 | 0.928 | ||
Total operating time | Less-than-BTT | Tumor size (cm) | 5.54 | 2.00–9.09 | 0.002* |
Extracapsular invasion | 2.57 | 0.02–5.13 | 0.048* | ||
Sex (male) | 5.94 | 1.95–9.94 | 0.004* | ||
BMI | |||||
25–29.99 | 0.12 | −3.37–3.61 | 0.946 | ||
≥30 | 18.54 | 9.63–27.46 | <0.001* | ||
BTT | Tumor size (cm) | 4.18 | 1.29–7.08 | 0.005* | |
Number of CLNs retrieved | 0.53 | 0.11–0.95 | 0.013* | ||
Sex (male) | 20.67 | 15.13–26.21 | <0.001* | ||
BMI | |||||
25–29.99 | 2.33 | −2.28–6.93 | 0.32 | ||
≥30 | −2.15 | −12.83–8.53 | 0.69 |