Observational Study
Copyright ©The Author(s) 2017.
World J Gastroenterol. Jul 14, 2017; 23(26): 4796-4805
Published online Jul 14, 2017. doi: 10.3748/wjg.v23.i26.4796
Table 1 Characteristics of the studied subjects n (%)
Ulcerative colitisCrohn’s diseaseControl group
n = 47n = 38n = 50
Men22 (46.81)20 (52.63)35 (70)
Age, yr37 (26-47)b29.5 (22-34)a36 (29-46)
BMI, kg/m222.1 (20.5-25)20.43 (18.38-22.9)23.9 (22.2-25.3)
Smoking9 (19.15)15 (39.47)17 (34)
Disease duration, yr5 (2.5-9)3.5 (2-6)NA
Surgery0 (0)b11 (28.9)NA
Complications3 (6.4)b11 (28.9)NA
Location
Rectum7 (14.9)NANA
Left-sided25 (53.2)NANA
Extensive colitis15 (31.9)NANA
IlealNA12 (31.6)NA
ColonicNA3 (7.9)NA
IleocolonicNA23 (60.5)NA
Pregnancies, n171213
Miscarriages, n011
Table 2 Comparison of active and inactive ulcerative colitis groups and controls
Ulcerative colitis inactiveUlcerative colitis activeControl group
n = 21n = 26n = 50
Disease activity index (points)2.33 ± 1.68b7.96 ± 1.91NA
White blood cells, × 103/μL6.89 (4.91-7.74)8.22 (5.54-9.65)6.75 (6.1-7.9)
Platelet coun, × 103/μL286.02 (216-303)b326 (252-379)a229.5 (199-268)
Haematocrit (%)43.4 (39.95-44.55)b39.85 (36.8-42.2)41.1 (39.5-43)
Haemoglobin, g/dL13.5 ± 1.6712.7 ± 1.5a14.3 ± 1.1
Fibrinogen, g/L2.52 (2.19-3.92)b4.97 (3.83-6.99)a3.05 (2.48-4.16)
CRP, mg/L1.24 (0.79-1.89)b10.7 (7.22-20.8)a1.68 (.98-2.24)
Table 3 Comparison of active and inactive Crohn’s disease groups and controls
Crohn’s disease inactiveCrohn’s disease activeControl group
n = 16n = 22n = 50
CDAI (points)83.38 ± 33.30b236.05 ± 63.46NA
White blood cells, × 103/μL6.74 (5.47-7.08)6.71 (4.91-9.02)6.75 (6.1-7.9)
Platelet count, × 103/μL291.5 (209-336)b324.5 (289-386)a229.5 (199-268)
Haematocrit, %42.7 (39.75-45.1)b37.9 (35.8-39.8)a41.1 (39.5-43)
Haemoglobin, g/dL13.99 ± 1.36b12.15 ± 1.4a14.3 ± 1.1
Fibrinogen, g/L3.81 (2.63-4.7)b6.52 (4.76-8.26)a3.05 (2.48-4.16)
CRP, mg/L2.95 (1.19-5.72)b33.8 (16.4-72.3)a1.68 (0.98-2.24)
Table 4 Characteristics of markers in active and inactive ulcerative colitis groups and controls
Ulcerative colitis inactiveUlcerative colitis activeControl group
n = 21n = 26n = 50
VWF:RCo, IU/dL120.61 ± 36.33134.2 ± 46.7114.03 ± 24.67
VWF:Ag, IU/dL139.6 (110.3-166.5)a144.95 (120.8-180.5)a106.65 (90.7-122.5)
VWF:CB, IU/dL84.93 ± 13.88a78.87 ± 14.99a97.99 ± 10.3
ADAMTS13: Ag (IU/dL)86.15 ± 10.17a,b66.39 ± 11.45a103.86 ± 10.84
ADAMTS13act (IU/dL)81.2 (79.4-92.9)b65.05 (55.7-75.1)a111.0 (97.8-122.8)
VWF:RCo/VWF:Ag0.96 (0.92-0.97)0.97 (0.87-1.01)0.97 (0.91-1.15)
VWF:CB/VWF:Ag0.68 (0.50-0.79)a0.5 (0.45-0.70)a0.91 (0.80-1.05)
VWF:Ag/ADAMTS13act1.54 (1.34-2.07)a2.22 (1.65-2.84)a0.98 (0.79-1.20)
ADAMTS13act/ADAMTS13:Ag1.01 (0.97-1.02)1.0 (0.97-1.03)1.02 (0.94-1.18)
Table 5 Characteristics of markers in active and inactive Crohn’s disease groups and controls
Crohn’s disease inactiveCrohn’s disease activeControl group
n = 16n = 22n = 50
VWF:RCo, IU/dL143.47 ± 46.12157.04 ± 61.03a114.03 ± 24.67
VWF:Ag, IU/dL135.4 (116.85-175.65)a182.98 (130.4-219.8)a106.65 (90.7-122.5)
VWF:CB, IU/dL98.85 (86.15-102.25)89.3 (80.6-99.7)98.05 (91.9-101.8)
ADAMTS13:Ag, IU/dL104.44 ± 9.9699.29 ± 15.33103.86 ± 10.84
ADAMTS13act, IU/dL104.82 ± 8.6194.48 ± 15.74a111.05 ± 17.69
VWFRCo/VWF:Ag0.96 (0.95-1.00)0.96 (0.79-1.01)0.97 (0.91-1.15)
VWF:CB/VWF:Ag0.65 (0.45-0.87)a0.54 (0.45-0.65)a0.91 (0.80-1.05)
VWF:Ag/ADAMTS13act1.26 (1.12-1.62)a1.88 (1.48-2.56)a0.98 (0.79-1.20)
ADAMTS13act/ADAMTS13:Ag0.99 (0.94-1.05)0.96 (0.92-1.03)1.02 (0.94-1.18)
Table 6 Results of multiple linear regression in ulcerative colitis patients
ADAMTS13:AgADAMTS13act
Plateletsβ = -0.03 (95%CI: -0.07; -0.01)-
P = 0.044
C-reactive proteinβ = -0.19 (95%CI: -0.33; -0.05)β = -0.25 (95%CI: -0.38; -0.12)
P = 0.103P < 0.001
Disease activityβ = -2.27 (95%CI: -3.18; -1.35)β = -0.2.27 (95%CI: -3.48; -1.86)
P < 0.001P < 0.001
adj.R265.3%69.5%