Table 3.

Baseline pre-operative findings in patients with severe or non severe GERD.

	Non-severe GERD (n = 234)	Severe GERD (n = 102)	p
Hiatal hernia, n (%)	177 (75.6)	84 (82.3)	0.1760
Hiatal hernia, cm	1.7 (±1.3)	1.9 (±1.4)	0.2062
LES resting pressure, mmHg	18.8 (±11.2)	13.4 (±11.8)	0.0001
LES overall length, cm	2.9 (±1.5)	2.8 (±1.4)	0.5669
LES abdominal length, cm	1.2 (±1.3)	1.1 (±1.3)	0.5172
DEA, mmHg	74.2 (±35.4)	62.1 (±23.8)	0.0018
Total acid exposure time, %	6.5 (±3.7)	13.3 (±9.3)	<0.0001
DeMeester score	26.2 (±12)	58.3 (±33.5)	<0.0001

Continuous variables are expressed using mean values (±SD).