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. 2020 Feb 4;11:110. doi: 10.3389/fpsyg.2020.00110

TABLE 2.

Correlation analysis among D2 test and physical fitness factors by gender and total sample.

Total
 Boys
 Girls
HJT 5 × 10 VO2max SH 5 × 10 VO2max SH 5 × 10 VO2max
D2-TR 0.30*** −0.20** 0.39*** 0.52*** −0.37*** 0.54*** 0.33*** −0.23* 0.35***
D2-TA 0.33*** −0.20** 0.40*** 0.50*** −0.36** 0.49*** 0.32*** –0.16 0.39***
D2-O –0.04 0.01 –0.02 –0.14 0.01 –0.15 –0.14 0.14 0.05
D2-C –0.10 0.08 0.04 –0.16 0.14 –0.03 –0.12 0.10 0.09
D2-TOT 0.32*** −0.21** 0.41*** 0.51*** −0.37** 0.54*** 0.32** −0.20* 0.36***
D2-CON 0.33*** −0.20** 0.40*** 0.50*** −0.36** 0.49*** 0.28** –0.16 0.38***
D2-VAR –0.07 0.06 0.08 –0.18 0.07 0.08 0.11 0.03 0.10
D2-TR+ 0.04 0.02 0.29*** 0.04 0.05 0.34*** 0.17 –0.07 0.33***
D2-TR− 0.32*** −0.19** 0.24*** 0.54*** −0.32** 0.37*** 0.21* –0.16 0.15

HJT = Horizontal jump (cm); 5 × 10 = Speed test 5 × 10 meters (sec.); VO2max = Maximum oxygen consumption (ml/kg/min); D2 = d2 test; TR = Total number of attempts; TA = Total number of hits; O = Omissions; C = Commissions; TOT = Total effectiveness in the test; CON = Concentration index; VAR = Variation index; TR+ = Line with the greatest number of attempted elements; TR− = Line with the least number of attempted elements. * p < 0.05; ** p < 0.01; *** p < 0.001.