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Intervals of the centre of gravity G and LA50 and the percentage of cluster memberships.
| Region | Cluster membership | |||||
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | ||
| (8 sites) | (2 sites) | (12 sites) | (5 sites) | (2 sites) | ||
| A | lgG ≤ 2.8 and LA50 ≤ 52 | 0 | 100 | 100 | 0 | 0 |
| B | lgG ≤ 2.8 and 52 < LA50 ≤ 61 | 100 | 0 | 0 | 0 | 0 |
| C | lgG ≤ 2.8 and LA50 > 61 | 0 | 0 | 0 | 100 | 0 |
| D | lgG > 2.8 | 0 | 0 | 0 | 0 | 100 |
