Table 1 Descriptive Statistics of the variables analyzed according to Group, Kruskal- Wallis non-parametric test.

From: Assessment of platelet-rich fibrin in the maintenance and recovery of cell viability of the periodontal ligament

Variable

Group

Medium

Standard deviation

P value (Kruskal -Wallis test)

Total number of cells

5 min - 5 minutes

2100000.00

343874,98

0,00017

1 h - 1 hour dry

280000,009

339455,45

2 h - 2 hours dry

0.00

0.00

PRF 30 min – 30 mindry + 45 min PRF

1160000.00

1489750.54

PRF 1h-1h dry + 45 h PRF

655000.00

333360,00

PRF 2 h - 2 h dry + 45 h PRF

735,000.00

589445,13

Viability (%)

5 min - 5 minutes

100.00

0.00

1 h - 1 h dry

93.00

8.92

0.00118

2 hours - 2 hours dry

0.00

0.00

PRF 30 min – 30 mindry + 45 min PRF

99.00

7.26

PRF 1 h - 1 hour dry + 45 min PRF

93.50

6.53

PRF 2 h - 2 h dry + 45 h PRF

99.50

13.23