Validation of Normal P-Wave Parameters in a Large Unselected Pediatric Population of North-Western Romania: Results of the CARDIOPED Project

Table 1

Patient characteristics.

Parameter
	22,411
Age (years; )
Gender (male; %)	10,712 (47.8%)
Age distribution
6-7 years	48 (0.2%)
7-8 years	1237 (5.6%)
8-9 years	1771 (8.0%)
9-10 years	1806 (8.2%)
10-11 years	2075 (9.4%)
11-12 years	2314 (10.5%)
12-13 years	2080 (9.4%)
13-14 years	2079 (9.4%)
14-15 years	2082 (9.5%)
15-16 years	2224 (10.1%)
16-17 years	1940 (8.8%)
17-18 years	1580 (7.2%)
18 years	792 (3.6%)
Heart rate (bpm; )
Mean P-wave duration (ms; )
Mean P-wave axis (grades; )
Mean P-wave amplitude (mV; )
Weight (kg; )
Height (cm; )
BMI (kg/m^2; )