TABLE 4.

Correlations between clinical data and procollagen III amino-terminal peptide (PIIINP) at study.

	Value	r	P-value
Age (yrs)	26 (23–28)	–0.253	0.120
Interval from TCPC (yrs)	21 (20–23)	–0.077	0.640
Body weight (kg)	69.1 ± 14.3	0.226	0.167
BMI (kg m–2)	22.0 (20.1–26.3)	0.191	0.244
Liver elastography	13.7 (12.4–15.7)	–0.039	0.821
VO2max (mL/min/kg)	28.6 ± 5.6	–0.054	0.750
SPO2 resting (%)	96 (94–97)	0.029	0.861
SPO2 at VO2max (%)	87 (85–89)	–0.239	0.142

Data are represented as mean ± SD or median (IQR) and Pearson’s or Spearman’s coefficients as appropriate.

BMI, body mass index; SPO₂, pulse oximetry; TCPC, total cavopulmonary connection; VO_2max, maximal oxygen consumption during exercise.