Table 3.
Univariable and multivariable logistic regression analysis evaluating predicting factors of proficiency score achievement during the LC
| Variable | Univariable analysis | Multivariable analysis | ||||||
|---|---|---|---|---|---|---|---|---|
| OR | 95.0% CI | OR | 95.0% CI | |||||
| Lower | Higher | P | Lower | Higher | p | |||
| Age ≥70 years | 0.54 | 0.25 | 1.14 | 0.109 | – | – | – | – |
| ASA scores | 0.87 | 0.35 | 2.15 | 0.776 | – | – | – | – |
| Diabetes | 0.36 | 0.09 | 1.38 | 0.140 | – | – | – | – |
| Hypertension | 1.06 | 0.47 | 2.35 | 0.882 | – | – | – | – |
| BMI | 1.01 | 0.83 | 1.23 | 0.900 | – | – | – | – |
| Monthly caseload (at least 1 procedure/month) | 1.08 | 0.60 | 1.95 | – | – | – | – | |
| Number of progressive procedures (1–50) | 1 | 0.99 | 1.02 | 0.823 | – | – | – | – |
| Surgical technique | 0.54 | 0.26 | 1.09 | 0.089 | – | – | – | – |
| Time from LC starting (<12 months vs ≥12 months) | 2.48 | 1.06 | 5.81 | 0.035 | 2.79 | 1.15 | 6.76 | 0.02 |
| Nerve-sparing intent technique (intra/inter vs extrafascial) | 2.71 | 1.02 | 7.16 | 0.04 | 3.18 | 1.15 | 8.77 | 0.02 |
| Prostate volume (ml) | 1.01 | 0.99 | 1.02 | 0.162 | – | – | – | – |
LC – learning curve; BMI – body mass index; ASA – American Society of Anasthesiologists; OR – odds ratio; CI - confidence interval