Table 1 

Morphometric characteristics of basal cell carcinomas 

Variable 
Infiltrative (n = 15) 
Nodular (n = 60) 
Superficial (n = 23) 
All (n = 98) 
P1 (InfiltrativeNodular) 
P2 (InfiltrativeSuperficial) 
P3 (NodularSuperficial) 


Tumour radius (microns)median (IQR) 
52.92 (39.56, 59.22) 
71.83 (55.45, 94.95) 
56.62 (50.32, 97.92) 
64.29 (53.16, 91.24) 
0.0009 
0.06 
0.3 


Stroma width (microns)median (IQR) 
34.12 (28.44, 40.56) 
25.72 (20.28, 30.17) 
30.17 (23.24, 44.02) 
27.44 (21.52, 34.86) 
0.003 
0.5 
0.08 


Tumour to stroma ratiomedian (IQR) 
1.492 (1.308, 1.726) 
2.842 (2.023, 4.005) 
1.894 (1.627, 2.691) 
2.170 (1.692, 3.330) 
1.129e06 
0.006 
0.005 


Circularitymedian (IQR) 
0.3808 (0.3158, 0.4112) 
0.4475 (0.3328, 0.5672) 
0.4580 (0.2616, 0.5813) 
0.4266 (0.3155, 0.5652) 
0.1 
0.3 
0.97 


P1 = pvalue obtained for the difference between the median variable values between the infiltrative and nodular subtypes. A two tailed MannWhitney test was used with a 95% confidence interval P2 = pvalue obtained for the difference between the median variable values between the infiltrative and superficial subtypes. A two tailed MannWhitney test was used with a 95% confidence interval P3 = pvalue obtained for the difference between the median variable values between the nodular and superficial subtypes. A two tailed MannWhitney test was used with a 95% confidence interval IQR = interquartile range 

Lesack and Naugler BMC Dermatology 2012 12:1 doi:10.1186/14715945121 