Table 1.

Baseline characteristics comparison between subjects with low and high immune response at one year following three doses of BNT162b2.

	Whole Cohort N = 125	Low Reponse Group N = 20	High Response Group N = 105	p-Value
Age, years, (median (IQR))	52.0 (46.2–59.0)	53.1 (47.5–61.5)	52.0 (46.0–58.3)	0.449
Male (n, %)	43 (34.4%)	11 (55.0%)	32 (30.5%)	0.042
DM or pre-DM (n, %)	50 (40.0%)	10 (50.0%)	40 (38.1%)	0.331
PPI use (n, %) *	18 (17.1%)	2 (10.0%)	16 (15.2%)	0.735

Abbreviation: DM or pre-DM, diabetes mellitus or pre-diabetes mellitus; PPI, proton pump inhibitor; * Usage of ≥14 days within 12 months before first vaccination.