Table 1.

Characteristics of patients with ulcerative colitis in persistent symptomatic and endoscopic remission over two consecutive endoscopies, with ongoing remission or subsequent clinical relapse.

		No relapse	Relapse	p-value
Number of patients		72	17
Age, mean, [SD]		47.8 [16.1]	53.5 [20.1]	0.25
Female gender, frequency		52.8%	58.8%	0.39
Age at diagnosis, mean [SD]		34.2 [15.6]	34.2 [17.2]	0.84
Disease duration, median [IQR]		11.5 [9.75]	17 [13]	<0.05
Extensive colitis [% of total]		52.8%	47.1%	0.67
Current biologic and/or immunomodulator use frequency		84.7%	52.9%	<0.05
Previous biologic or immunomodulator use		76.3%	70.6%	0.62
Duration of remission between endoscopic assessments, median [IQR]		15.5 [12]	16 [11]	0.65
MES 1, frequency	On first assessment	54.2%	760.5%	0.09
	On second assessment	40.3%	520.9%	0.34
	On both assessments	30.6%	470.1%	0.20
Histological activity, frequency	On first assessment	38.9%	520.9%	0.29
	On second assessment	27.8%	620.5%	<0.05
	On both assessments	15.3%	430.8%	<0.05

IQR, interquartile range; MES, Mayo endoscopy score; SD, standard deviation.

Bolded p-values show statistical significance <0.05.