Supplementary Table 1.

Propensity score parameter list.

The variables used in calculating the propensity score	Age, sex, weight, height, smoking status, alcohol consumption, Helicobacter pylori infection, diabetes history, hyperuricemia, cardiovascular diseases, bleeding in skin, bleeding in mucosa, bleeding in organ, treatment protocol (high-dose dexamethasone, oral prednisone).
Propensity scoring algorithm	Logistic regression model
C-statistical	0.787
Matching method	Greedy matching within specified caliper distances
Distance metric	0.05
Matching ratio	(no response to treatment) 1: 3 (response to treatment)
Use of replacement	With replacement
Matching sample size	No response to treatment: 9 cases	Total: 36 cases
	Response to treatment: 27 cases