Table 2.

Correlations between QT, QTc (QTBAZ, QTFHS) heart rate, age, CRP, ESR, and cytokines. Values are correlation coefficient (Spearman rank rho or Pearson product ra), p, and n.

VariableHeart RateaAgeCRPESRIL-6TNF-αIL-1αIL-1βIL-10
QT−0.807**0.038−0.126−0.205*−0.0570.0990.1130.1320.108
< 0.0010.6940.1850.0300.5520.2990.2350.1650.257
112112112112112112112112112
QTBAZ0.517**0.293**0.202*0.1340.222*0.199*0.1580.210*0.333**
< 0.0010.0020.0330.1580.0160.0360.0970.026< 0.001
112112112112112112112112112
QTFHS−0.0410.244**0.088−0.0100.1290.1800.1800.220*0.294**
0.6680.0090.3560.9170.1750.0570.0580.0200.002
112112112112112112112112112
Heart rate0.251**0.248**0.1750.034−0.0310.0040.109
0.0080.0080.0640.7240.7440.7440.251
112112112112112112112
CRP0.568**0.185**0.021−0.0040.0880.0083
< 0.0010.00510.8300.9650.3560.387
112112112112112112
ESR0.323**0.1530.1440.196*0.121
0.0010.1060.1290.0380.203
112112112112112
IL-60.300**0.497**0.511**0.205*
0.001< 0.001< 0.0010.030
112112112112
TNF-α0.784**0.767**0.775**
< 0.001< 0.001< 0.001
112112112
IL-1α0.917**0.853**
< 0.001< 0.001
112112
IL-1β0.902**
< 0.001
112
  • * p < 0.05.

  • ** p < 0.01. CRP: C-reactive protein; ESR: erythrocyte sedimentation rate; IL: interleukin; TNF: tumor necrosis factor; QTBAZ: QT corrected using the Bazett formula; QTFHS: QT corrected using the Framingham Heart Study formula.