Table 7 Test results for a linear trend of the hair growth for each skin type
Dataset | Fitzpatrick skin type | Sample size (n) | Repeated measures ANOVA | Post-hoc linear trend test | |||
|---|---|---|---|---|---|---|---|
F | p-value | p-value | Slope | R2value | |||
Complete data ( n = 48) | I | 6 | 0.61 | 0.6897 | – | – | – |
II | 13 | 3.16 | 0.0135 | 0.0464 | 1.400 | 0.0053 | |
III | 15 | 1.54 | 0.1879 | – | – | – | |
IV | 14 | 4.62 | 0.0011 | 0.0003 | 2.114 | 0.0229 | |
Mixed data ( n = 70) | I | 7 | 0.66 | 0.6599 | – | – | – |
II | 20 | 5.19 | 0.0003 | 0.0006 | 1.791 | 0.0083 | |
III | 27 | 2.49 | 0.0346 | 0.0046 | 0.953 | 0.0025 | |
IV | 16 | 4.73 | 0.0008 | 0.0004 | 1.846 | 0.0169 | |