Table 2: Descriptive statistics of KCNQ1, KCNH2, and β-actin mRNA copy numbers in the group of 21 patients diagnosed with LQTS and in the group of 13 individuals with no clinical symptoms of the disease.

KCNQ1/LQTS1KCNH2/LQTS2 -Actin

Healthy individuals ( )Average851487807857078
SD3977701414611604310727502
Median6563404149655118835933549
LQTS patients ( )Average21256115693027673
SD1403513039665878259808
Median33829344166511950566463
Mann-Whitney test < 0.892 < 0.014 < 0.620
< 0.624