Characteristics of the oral and gastric microbiome in patients with early-stage intramucosal esophageal squamous cell carcinoma

Table 1 Baseline characteristics of patients in EIESC and control groups

No. of patients	EIESC (n = 31)	Controls (n = 21)	p
Age (median [IQR])	70 [60, 71]	64 [59, 69]	0.094
BMI (median [IQR])	21.61 [21.40, 22.03]	22.31 [21.10, 22.55]	0.309
Sex (n, %)			0.523
Female	12 (38.7)	10 (47.6)
Male	19 (61.3)	11 (52.4)
History of smoking (n, %)			0.494
Yes	9 (29.0)	8 (38.1)
No	22 (71.0)	13 (61.9)
History of drinking (n, %)			0.624
Yes	7 (22.6)	6 (28.6)
No	24 (77.4)	15 (71.4)
Family history of Esophageal cancer (n, %)			0.985
Yes	3 (9.7)	2 (9.5)
No	28 (90.3)	19 (90.5)

Note ^†p value was derived from the Mann-Whitney test in data of continuous variables with abnormal distribution (M, Median; IQR, Interquartile Range). p value was derived from the Chi-square test or fisher’s exact test in data of categorical variables from EIESC and controls (n,%). Abbreviation: EIESC: early-stage intramucosal esophageal squamous cell carcinoma; BMI: body weight index

ISSN: 1471-2180