Table 5 Test results for a linear trend of the hair growth for each age group
Dataset | Age group | Sample size (n) | Repeated measures ANOVA | Post-hoc linear trend test | |||
|---|---|---|---|---|---|---|---|
F | p-value | p-value | Slope | R2value | |||
Complete data ( n = 48) | Young | 10 | 1.65 | 0.1663 | – | – | – |
Mid | 19 | 3.76 | 0.0039 | 0.0013 | 1.520 | 0.0086 | |
Old | 19 | 3.24 | 0.0098 | 0.0009 | 1.229 | 0.0033 | |
Mixed data ( n = 70) | Young | 15 | 2.66 | 0.0295 | 0.1054 | 1.215 | 0.0036 |
Mid | 29 | 5.12 | 0.0002 | 0.0004 | 1.337 | 0.0066 | |
Old | 26 | 5.38 | 0.0002 | < 0.0001 | 1.455 | 0.0046 | |