Table 2

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

C.I. = Confidence Interval, DFS = Disease free survival, OS = Overall survival, VRHD = Von Reckling hausen's disease, RT = Radiotherapy, *: Statistically Significant.

Kar et al. World Journal of Surgical Oncology 2006 4:55   doi:10.1186/1477-7819-4-55