Table 1.
Variable | n = 52 | Mean hair density per sq cm | Standard error mean |
t test for equality of means |
|
---|---|---|---|---|---|
Mean difference | Significance (2-tailed) | ||||
Age groups | |||||
<33 years (median) | 27 | 39.00 | 1.08 | 4.52 | 0.002 |
>34 years | 25 | 34.48 | 0.81 | ||
Stage of initial alopecia before procedure | |||||
<4a | 29 | 38.97 | 0.90 | 4.84 | 0.001 |
>4b | 23 | 34.13 | 1.01 | ||
Initial density of hair per sq cm | |||||
<7 | 31 | 35.42 | 0.89 | −3.49 | 0.694 |
>8 | 21 | 38.90 | 1.19 |