highly significantp < 0.001
These two grading systems showed a highly significant correlation (p < 0.001), although there were some discrepancies among Mandard TRG 2-4 and Becker 1b-2 ( S2 Table ).
These two grading systems showed a highly significant correlation (p < 0.001), although there were some discrepancies among Mandard TRG 2-4 and Becker 1b-2 ( S2 Table ).