Microscope | Dermatoscope | κ | |||||
Present | Absent | ||||||
Dilatation | Present | 37 | 3 | 0.93 | |||
Absent | 2 | 92 | |||||
Mega-capillaries | Present | 27 | 2 | 0.97 | |||
Absent | 0 | 104 | |||||
Avascular fields | Present | 27 | 4 | 0.93 | |||
Absent | 1 | 103 | |||||
Ramified capillaries | Present | 32 | 13 | 0.78 | |||
Absent | 2 | 88 | |||||
Contorted capillaries | Present | 100 | 12 | 0.81 | |||
Absent | 1 | 22 | |||||
Micro-haemorrhages | Present | 35 | 4 | 0.94 | |||
Absent | 0 | 97 |
Because of the limited visibility in some fingers the total number of comparisons may differ. The kappa test statistic (κ) is used for statistical analysis of the correlation between the two methods.