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Consider the following dataset representing longitudinal health records of patie...
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Consider the following dataset representing longitudinal health records of patients over 5 years:
| Patient ID | Age group | Disease | Year 1 | Year 2 | Year 3 | Year 4 | Year 5 |
| P001 | 30-40 | diabetes | 140 | 145 | 150 | 155 | 160 |
| P002 | 40-50 | hypertension | 130 | 135 | 140 | 145 | 150 |
| P003 | 30-40 | diabetes | 135 | 140 | 145 | 150 | 155 |
| P004 | 50-60 | heart disease | 125 | 130 | 135 | 140 | 145 |
To apply k-anonymity, which of the following modifications would be most effective?
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