. Author manuscript; available in PMC: 2021 Dec 1.

Published in final edited form as: Clin Gastroenterol Hepatol. 2020 Jan 31;18(13):2912–2919. doi: 10.1016/j.cgh.2020.01.031

Table 2:

Clinical Characteristics of Predominant AET patterns when ≥3 days and a predominant pattern are available

	Predominant physiologic (n=167)	Predominant pathologic (n=83)	Predominant borderline (n=14)	Controls (n=27)
Age	47.8±1.2 yrs	49.2±1.6yrs	48.1±3.8yrs	26.8±1.5yrs
Gender- %Female	110 (66%)	45(55%)	8(57%)	17(61%)
Heartburn	73(43%)	51(61%)^*	8(57%)	n/a
Typical Symptoms	86(52%)	60(72%)^*	9(64%)	n/a
GERDQ	7.5±0.4^**	9.0±0.4^*	5.3±1.2	n/a
Worst day AET >6.0%^**	40 (24%)	83 (100%)^*	11 (79%)	8(30%)
Best day AET <4.0%^**	167 (100%)	40 (48%)^*	10 (71%)	24(89%)
Worst Day AET 4%-6%	31 (18.6%)	0	3 (21%)	4(15%)
Best Day AET 4%-6%	0	12 (14%)	4 (29%)	1(4%)
Day 1 AET > 6.0%	15 (9%)	70 (84%)^*	4 (29%)	5(19%)
Day 1 AET <	132 (79%)	7 (8%)^*	4 (29%)	19(70.3%)
4.0%
48 hour AET > 6.0%	8 (5%)	75 (90%)^*	4 (29%)	4(15%)
48 hour AET < 4.0%	141 (84%)	1 (1%)^*	4 (29%)	17(63%)

AET: acid exposure time.

p<0.05 compared to predominant physiologic

^**

p<0.01 across all three groups