Table 2.
Univariate analysis (UA) of clinical, surgical and demographic factors for tumor recurrence, with their respective confidence Interval (CI) and “P” value. Multivariate analysis (MA) of clinical, surgical and demographic factors of tumor recurrence, with their respective confidence interval (CI) and “P” value. *Statistically significant value. OR, odds ratio; CC, cubic centimeters; CPA, cerebellopontine angle
| Factor for UA | OR (CI 95%) | P value |
| Age 60 years | 1.74 (0.81–3.75) | 0.15 |
| Simpson 1 | 0.15 (0.07–0.34) | 0.000* |
| Simpson 2 | 0.50 (0.27–0.93) | 0.026* |
| Simpson 3 | 1.26 (0.32–4.88) | 0.729 |
| Simpson 4 | 57 (13.01–248) | 0.000* |
| Simpson 5 | 1.04 (0.98–1.04) | 0.209 |
| Pain/headache | 0.65 (0.36–1.18) | 0.164 |
| Motor deficit | 1.00 (0.53–1.88) | 0.995 |
| Sensitive deficit | 0.41 (0.13–1.31) | 0.126 |
| Seizure | 0.76 (0.37–1.54) | 0.45 |
| Cranial nerve deficit | 2.1 (1.10–4.27) | 0.023* |
| Intracranial hypertension syndrome | 5 (2.06–12.08) | 0.000* |
| Cerebellar syndrome | 1.05 (1–1.11) | 0.011* |
| Post-surgical improvement | 0.14 (0.06–0.35) | 0.000* |
| Tumor size resected 60 cc | 1.13 (0.61–2.08) | 0.686 |
| Surgical time > 280 min | 3.12 (1.70–5.72) | 0.00* |
| Bleeding > 850 ml | 1.34 (0.74–2.41) | 0.32 |
| Meningothelial | 1.08 (0.55–2.12) | 0.811 |
| Fibroblastic | 0.70 (0.27–1.81) | 0.466 |
| Transitional | 0.98 (0.54–1.78) | 0.949 |
| Psammomatous | 2.31 (0.70–7.06) | 0.155 |
| Angiomatous | 0.30 (0.03–2.65) | 0.255 |
| Microcystic | 0.78 (0.07–8.76) | 084 |
| Metaplastic | 1.57 (0.97–25.57) | 0.74 |
| Chordoid | 1.57 (0.97–25.57) | 0.74 |
| Clear cells | 0.51 (0.53–5.05) | 0.56 |
| Atypical | 1.19 (0.39–3.58) | 0.75 |
| Rhabdoid | 0.99 (0.97–1) | 0.42 |
| Anaplastic | 1.57 (0.09–25.57) | 0.74 |
| Convexity | 0.23 (0.11–0.51) | 0.00* |
| Sickle | 1.10 (0.40–3.05) | 0.84 |
| Parassagital | 0.50 (0.20–1.25) | 0.13 |
| Tentorial | 1.37 (0.44–4.26) | 0.58 |
| Clinoid | 1.95 (0.57–6.66) | 0.27 |
| Sphenoid | 2.10 (0.79–5.61) | 0.12 |
| Petroclival | 15.92 (1.97–128.58) | 0.00* |
| CPA | 5.95 (1.20–29.50) | 0.01* |
| Sellar tuberculum | 4.13 (0.78–21.87) | 0.07 |
| Olfactory groove | 0.77 (0.13–4.35) | 0.77 |
| Factor for MA | OR (IC 95%) | P value |
| Pain/headache | 1.34 (0.40–4.51) | 0.63 |
| Motor deficit | 1.22 (0.32–4.60) | 0.76 |
| Sensitive deficit | 0.65 (0.08–5.13) | 0.68 |
| Seizure | 1.94 (0.47–8.25) | 0.36 |
| Cranial nerve deficit | 1.06 (0.14–7.29) | 0.95 |
| Intracranial hypertension syndrome | 8.58 (1.64–44.68) | 0.01* |
| Post-surgical improvement | 0.15 (0.04–0.60) | 0.007* |
| Tumor size resected 60 cc | 2.95 (0.80–10.85) | 0.10 |
| Surgical time > 280 min | 2.19 (0.66–7.29) | 0.19* |
| Bleeding > 850 ml | 1.01 (0.31–3.32) | 0.97 |
| Meningothelial | 2.36 (0.03–167) | 0.69 |
| Fibroblastic | 1.42 (0.01–144) | 0.88 |
| Transitional | 1.97 (0.02–135) | 0.75 |
| Psammomatous | 11.1 (0.10–1246) | 0.31 |
| Microcystic | 5.92 (0.04–865) | 0.48 |
| Metaplastic | 0.69 (0.00–1440) | 0.92 |
| Chordoid | 0.09 (0.00–56,267) | 0.72 |
| Clear Cells | 0.19 (0.00–67) | 0.58 |
| Atypical | 6.59 (0.07–575) | 0.40 |
| Convexity | 0.307 (0.27–3.46) | 0.34 |
| Sickle | 0.63 (0.04–8.56) | 0.73 |
| Parassagital | 0.37 (0.35–4.04) | 0.42 |
| Tentorial | 2.38 (0.17–33.06) | 0.51 |
| Clinoid | 0.58 (0.02–13.92) | 0.74 |
| Sphenoid | 0.20 (0.01–3.33) | 0.26 |
| Petroclival | 16.91 (0.31–906) | 0.16 |
| CPA | 5.01 (0.15–165.80) | 0.36 |
| Sellar tuberculum | 1.19 (0.02–59.15) | 0.92 |
| Olfactory groove | 0.01 (0.00–1.36) | 0.06 |