. 2022 Apr 5;14:59. doi: 10.1186/s13102-022-00453-x

Table 2.

Correlations among variables

	Correlation	2D:4D_D	2D:4D_ND
Total time (min)	r	0.53	0.03
	p	0.005**	0.87
Penalty time (s)	r	0.30	0.02
	p	0.13	0.92
Performance time (s)	r	0.55	0.01
	p	0.003**	0.93
HGS_D (kg)	r	0.29	0.22
	p	0.10	0.28
HGS_ND (kg)	r	0.59	0.28
	p	0.002**	0.18
Aerobic power (ml/kg⁻¹/min⁻¹)	r	0.04	0.63
	p	0.82	0.001**
Time on the treadmill (s)	r	0.04	0.63
	p	0.821	0.001**
Estradiol (pmol/l)	r	0.34	0.01
	p	0.09	0.94
Cortisol (nmol/l)
	r	− 0.58	− 0.52
	p	0.003**	0.008**
GH (ng/mL)	r	0.05	0.10
	p	0.80	0.45
IGF-1 (ng/mL)	r	0.04	0.15
	p	0.83	0.45
Age (yrs)	r	0.12	0.07
	p	0.57	0.72
Body mass (kg)	r	0.08	0.52
	p	0.70	0.008**
Height (cm)	r	0.08	0.19
	p	0.69	0.37
BMI (kg/m²)	r	0.01	0.40
	p	0.93	0.04**

^*P < 0.05, **P < 0.01, 2D:4D_D: Second digit to fourth Digit ratio of Dominant Hand, 2D:4D_n-D: Second digit to fourth Digit ratio of non-Dominant Hand, HGS_D: hand-grip strength of Dominant Hand.; HGS_ND: hand-grip strength of non-Dominant Hand. GH: Growth hormone, IGF-1: Insulin-like growth factor-1; BMI: Body mass index;