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Distribution of means between groups with and without HIV virus according to age, plaque index, and bleeding on probing.
| Variables | Without HIV | With HIV | ||
|---|---|---|---|---|
| Means | Standard deviation | Means | Standard deviation | |
| Age | 44.81 | 13.94 | 41.03 | 9.59 |
| Plaque index | 45.12 | 21.43 | 41.74 | 19.52 |
| Bleeding on probing | 38.33 | 25.07 | 40.67 | 27.24 |
