Short- and Long-Term, 11–22 Years, Results after Laparoscopic Nissen Fundoplication in Obese versus Nonobese Patients

Table 5

Reflux recurrence and esophageal 24-hour pH-impedance monitoring.

	All	Normal weight	Overweight	Obese
Reflux recurrence	27	1	7	19
24-h esophageal pH recording
<5.8% acid exposure for total	/	/	/	/
≥5.8% acid exposure for total time	27	1	7	19
<8.2% acid exposure in upright	/	/	/	/
≥8.2% acid exposure in upright position	27	1	7	19
<3.5% acid exposure in supine	/	/	/	/
≥3.5% acid exposure in supine position	27	1	7	19
DeMeester Score
<14.	/	/	/	/
≥14.7	27	1	7	19
Symptom- reflux correlation number
SI ≥ 50% and SAP ≥ 95%	22	1	5	16
SI < 50% and SAP < 95%	5	/	2	3

reflux recurrence.
SI = Symptom index.
SAP = Symptom association probability.