Table 3.
Correlations between the severity of SD and intensity of pruritus and 2D:4D ratios
| SDASI Index | Pruritus intensity | Left hand 2D:4D | Right hand 2D:4D | ||
|---|---|---|---|---|---|
| SDASI Index | r | 1.000 | |||
| p | 0.000 | ||||
| Pruritus intensity | r | 0.096 | 1.000 | ||
| p | 0.343 | 0.000 | |||
| Left hand 2D:4D | r | -0.084 | -0.161 | 1.000 | |
| p | 0.408 | 0.110 | 0.000 | ||
| Right hand 2D:4D | r | -0.391b | -0.155 | 0.108 | 1.000 |
| p | 0.000 | 0.124 | 0.111 | 0.000 |
* < 0.05; b < 0.01. SD, seborrheic dermatitis; SDASI, Seborrheic Dermatitis Area and Severity Index; 2D:4D, ratio of the second digit to the fourth digit.