Table 12 Age, number of species and number of uses mentioned by men of Zaragoza, Nuevo León and the Spearman’s rank correlation coefficient ( r s )
From: Medicinal plants in the southern region of the State of Nuevo León, México
Age | Number of species | Number of uses |
|---|---|---|
50 | 17 | 20 |
60 | 13 | 17 |
69 | 16 | 17 |
70 | 5 | 6 |
70 | 5 | 5 |
75 | 5 | 6 |
78 | 15 | 14 |
78 | 21 | 32 |
78 | 5 | 5 |
83 | 8 | 9 |
r s = 0.92, α = 0.05 | r s = 0.94 α = 0.05 |