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Table 2 Prognostic factors affecting disease free survival and overall survival in univariate analysis.

From: Malignant peripheral nerve sheath tumors (MPNST) – Clinicopathological study and treatment outcome of twenty-four cases

Variables Chi Square 95% C.I. P Value
DFS
   1. Sex 3.84 0.92 – 12.93 0.05*
   2. Tumor depth 4.23 5.3 – 9.4 <0.03*
   3. VRHD 0.28 0.28 – 3.9 0.59
   4. Tumour Necrosis 0.56 0.2 – 10.4 <0.76
   5. Tumor mitosis 0.027 0.22–3.53 >0.86
   6. Cellular differentiation 11.95 2.01 – 111.75 <0.002*
   7. Tumor grade 1.69 0.14 – 1.51 >0.19
   8. Heterogeneous differentiation 1.73 0.14 – 1.48 0.18
   9. RT 2.49 0.76 – 8.42 0.11
OS
   1. Sex 4.02 0.94 – 13.27 0.04*
   2. Tumor depth 1.86 0.4 – 1.18 0.17
   3. VRHD 0.15 0.18 – 4.08 >0.37
   4. Tumor Necrosis 0.6 0.2–14.2 >0.74
   5. Tumor Mitosis 0.012 0.2–4.8 >0.98
   6. Cellular differentiation 15.50 2.44 – 334.28 <0.0004*
   7. Tumor grade 3.84 0.94 – 4.68 0.05*
   8. Heterogeneous differentiation 0.89 0.15 – 1.95 0.34
   9. RT 2.66 0.10 – 1.28 >0.10
   10. Recurrence 9.49 0.3 – 2.61 <0.002*
  1. C.I. = Confidence Interval, DFS = Disease free survival, OS = Overall survival, VRHD = Von Reckling hausen's disease, RT = Radiotherapy, *: Statistically Significant.