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Table 9 Description of the PPD on the basis of statistical key figures, depending on the PLI (all measurements)

From: Dental implants in patients suffering from systemic sclerosis: a retrospective analysis of clinical outcomes in a case series with 24 patients

PLI Anzahl Mw Sd Median Min–Max
0 485 2.4 0.6 2.0 0.0–5.0
1 390 2.5 0.6 2.0 0.0–4.0
2 399 2.9 0.6 3.0 0.0–4.0
  1. Rank correlation coefficient according to Spearman rho: 0.36, p < 0.001