PCCC area at the different time periods in group I–IV
| Group | n | Time 1 | Time 2 | Difference |
|---|---|---|---|---|
| I | 13 | 0.360231 | 0.377046 | −0.016815 |
| II | 14 | 0.356714 | 0.35671 | 0.000143 |
| III | 19 | 0.360368 | 0.369684 | −0.00932 |
| IV | 8 | 0.35375 | 0.3587 | −0.00495 |
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Group I = evaluation of PCCC area in function of time: follow up of 6 months to 1 year.
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Group II = evaluation of PCCC area in function of time: follow up of 1 year to 2 years.
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Group III = influence of pearl formation on PCCC area in function of time: evidences of increased pearl formation between two time intervals.
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Group IV = influence of pearl formation on PCCC area in function of time: no evidences of increased pearl formation between two time intervals.









