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Table 2 Comparison of efficacy between the two groups [n (%)]

From: Clinical observation of autologous platelet rich fibrin assisted revascularization of mature permanent teeth

group

n

Remarkable effect

Effective

invalid

Total effective rate

experience group

10

7 (70.00)

3 (30.00)

0 (0.00)

10(100.00)

control group

10

4 (40.00)

1 (10.00)

5 (50.00)

5(50.00)

x2

Ā Ā Ā Ā 

4.267

P

Ā Ā Ā Ā 

0.039