Brief Article
Copyright ©2013 Baishideng Publishing Group Co.
World J Gastroenterol. Jan 7, 2013; 19(1): 65-71
Published online Jan 7, 2013. doi: 10.3748/wjg.v19.i1.65
Table 1 Characteristics of patients with Crohn’s disease, and the relationship between QT prolongation n (%)
CD QT prolongation
Test values
-+χ2P value
Diagnosis period (yr)26.47 ± 34.2727.2 ± 32.88Z = 0.310.74
Family history0.970.61
None30 (83.3)5 (100)
CD3 (8.3)
Colon cancer3 (8.3)
Operation2.110.14
Yes5 (13.88)2 (40)
No31 (86.11)3 (60)
Age at diagnosis (yr)3.010.22
< 172 (5.6)
17-4033 (91.70)4 (80)
> 401 (2.80)1 (20)
Disease behavior23.350.000b
Non-stricturing Non penetrating22 (61.1)1 (20)
Stricturing14 (38.9)1 (20)
Penetrating-3 (60)
Disease location0.550.75
İleal12 (33.3)1 (20)
Colonic1 (2.80)-
İleocolonic23 (63.90)4 (80)
CDAI value0.0130.91
CDAI < 15028 (77.7)4 (80)
CDAI ≥ 1508 (22.2)1 (20)
Drug use0.130.71
Used26 (72.2)4 (80)
Not used10 (27.8)1 (20)
5-ASA0.230.62
Used11 (30.6)1 (20)
Not used25 (69.4)4 (80)
CS0.970.32
Used30 (83.3)5 (100)
Not used6 (16.7)-
IS0.130.71
Used26 (72.2)4 (80)
Not used10 (27.8)1 (20)
Smoking0.660.72
Yes21 (58.3)2 (40)
No9 (25)2 (40)
Quit6 (16.7)1 (20)
Alcohol2.080.35
Yes9 (25)-
No25 (69.4)5 (100)
Quit2 (5.6)-
Table 2 Characteristics of patients with ulcerative colitis, and the relationship between QT prolongation n (%)
UC QT prolongation
Test values
-+χ2P value
Diagnosis period (yr)44.13 ± 42.6045.67 ± 47.990.86
Family history0.480.78
None41 (77.4)6 (66.7)
UC8 (15.1)2 (22.2)
Colon cancer4 (7.5)1 (11.1)
Operation0.170.67
Yes1 (1.9)-
No52 (98.1)9 (100)
Extent of disease3.490.32
Rectosigmoid16 (30.18)2 (22.22)
Left sided colon10 (18.86)4 (44.4)
Extensive6 (11.32)-
Pancolitis21 (39.62)3 (33.3)
Clinical activity2.190.33
TW1 (mild activity)34 (64.15)8 (88.89)
TW2 (moderate activity)17 (32.07)1 (11.11)
TW3 (severe activity)3.77-
Drug use0.090.75
Used45 (84.9)8 (88.89)
Not used8 (15.09)1 (11.11)
5-ASA0.190.65
Used9 (16.98)1 (11.11)
Not used44 (83.01)8 (88.89)
CS1.120.28
Used47 (88.67)9 (100)
Not used6 (11.32)-
IS0.130.71
Used49 (92.45)8 (88.89)
Not used4 (7.54)1 (11.11)
Smoking2.990.22
Yes12 (22.64)2 (22.2)
No26 (49.05)2 (22.2)
Quit15 (28.30)5 (55.56)
Alcohol
Yes9 (16.98)2 (22.2)0.460.79
No42 (79.24)7 (77.78)
Quit2 (3.77)-
Table 3 Crohn’s disease and control group, demographic, anthropometric and laboratory values and the relationship between QT prolongation
CD QT prolongation (-)CD QT prolongation (+)ControlTest values
Male, n (%)23 (63.9)2 (40)31 (66)χ2 = 1.31, P = 0.51
Female, n (%)13 (36.1)3 (60)16 (34)
Age (yr)36.80 ± 7.7941.33 ± 7.6641.21 ± 10.55P = 0.53
SBP (mmHg)109.72 ± 13.41105 ± 20102.74 ± 11.93P = 0.071
DBP (mmHg)69.72 ± 9.4070 ± 1071.11 ± 6.55P = 0.62
Heart rate (beats/min)77.13 ± 13.471.4 ± 12.2374.80 ± 13.25P = 0.36
BMI (kg/m²)23.78 ± 4.9025.38 ± 3.9924.77 ± 3.43P = 0.57
WC (cm) male89 ± 7.8891 ± 6.3690.19 ± 4.99P = 0.14
WC (cm) female87.23 ± 5.4592.33 ± 7.0890.68 ± 5.18P = 0.19
QTcd (ms)39.69 ± 2.3255.4 ± 2.8838.68 ± 2.25CD QT prolongation (-) vs (+), CD QT prolongation (+) vs control, bP = 0.000; CD QT prolongation (-) vs control, aP = 0.049
FPG (mg/dL)89.31 ± 6.8793.8 ± 10.7587.6 ± 10.13P = 0.078
Total-C (mg/dL)187.89 ± 39.46189.8 ± 21.28185.68 ± 37.74P = 0.65
Triglyceride (mg/dL)116.51 ± 64.85111 ± 33.1297.98 ± 36.74P = 0.50
HDL-C (mg/dL)55.4 ± 12.6960 ± 19.1958.17 ± 14.74P = 0.66
LDL-C (mg/dL)121.05 ± 32.66118.2 ± 9.78119.02 ± 24.48P = 0.77
Insulin (μU/mL)6.44 ± 3.2810.95 ± 6.105.68 ± 3.83CD QT prolongation (-) vs (+), aP = 0.036; CD QT prolongation (-) vs control, aP = 0.027; CD QT prolongation (+) vs control, P = 0.16
HOMA-IR1.42 ± 0.752.56 ± 1.431.31 ± 0.94CD QT prolongation (-) vs (+), aP = 0.026; CD QT prolongation (-) vs control, P = 0.12; CD QT prolongation (+) vs control, aP = 0.023
Uric acid (mg/dL)4.09 ± 0.864.26 ± 1.524.01 ± 1.05P = 0.95
Table 4 Ulcerative colitis and control group, demographic, anthropometric, and laboratory values and the relationship between QT prolongation
UC QT prolongation (-)UC QT prolongation (+)ControlTest values
Male, n (%)25 (47.2)5 (55.6)31 (66)χ2 = 3.56, P = 0.16
Female, n (%)28 (52.8)4 (44.4)16 (34)
Age (yr)39.57 ± 11.5848.67 ± 13.9341.21 ± 10.55P = 0.14
SBP (mmHg)114.09 ± 8.73125 ± 13.81102.74 ± 9.93UC QT prolongation (-) vs (+), aP = 0.012; UC QT prolongation (-) vs control, P = 0.51; UC QT prolongation (+) vs control, aP = 0.037
DBP (mmHg)73.96 ± 6.8874.44 ± 8.8171.11 ± 6.55P = 0.66
Heart rate (beats/min)77.13 ± 13.471.4 ± 12.2374.80 ± 13.25P = 0.25
BMI (kg/m²)25.22 ± 4.3127.72 ± 9.1124.77 ± 3.43P = 0.18
WC (cm) male94.92 ± 9.91104.6 ± 22.6793.19 ± 10.99P = 0.59
WC (cm) female92.75 ± 12.8393.5 ± 10.9690.68 ± 12.18P = 0.54
QTcd (ms)40.09 ± 2.3455.1 ± 3.138.68 ± 2.25UC QT prolongation (-) vs (+), UC QT prolongation (+) vs control, bP = 0.000; UC QT prolongation (-) vs control, bP = 0.003
FPG (mg/dL)93.62 ± 9.0295.11 ± 17.3387.6 ± 10.13P = 0.53
Total-C (mg/dL)194.49 ± 34.31214.33 ± 40.84185.68 ± 37.74P = 0.34
Triglyceride (mg/dL)114.33 ± 53.89120.11 ± 36.3197.98 ± 36.74P = 0.10
HDL-C (mg/dL)54.62 ± 15.1061.22 ± 14.9558.17 ± 14.74P = 0.38
LDL-C (mg/dL)124.81 ± 24.41137.552 ± 28.75119.02 ± 24.48P = 0.49
Insulin (μU/mL)7.20 ± 4.5410.88 ± 7.195.68 ± 3.83UC QT prolongation (-) vs (+), aP = 0.031; UC QT prolongation (-) vs control, P = 0.43; UC QT prolongation (+) vs control, aP = 0.047
HOMA-IR1.90 ± 1.092.94 ± 1.881.31 ± 0.94UC QT prolongation (-) vs (+), aP = 0.011; UC QT prolongation (-) vs control, P = 0.51; UC QT prolongation (+) vs control, aP = 0.027
Uric acid (mg/dL)4.31 ± 1.354.44 ± 1.294.01 ± 1.05P = 0.12