Effect and safety of mark-guided vs standard peroral endoscopic myotomy: A retrospective case control study

Table 3 Primary and secondary outcomes in patients at 12 mo follow-up

	Mark-guided POEM (n = 59)	Standard POEM (n = 59)	P value
Overall clinical success (n)	55 (93.2%)	54 (91.5%)	0.73
Eckart score	1 (1-2)	1 (1-2)	0.9
GERDQ score	7 (6-9)	6 (6-9)	0.67
SF-36 score	75 (67-78)	74 (70-78)	0.94
Reflux symptom (n)
Yes	10 (16.9%)	22 (37.3%)	0.01
No	49 (83.1%)	37 (62.7%)
PPI use (n)
Yes	11 (18.6%)	24 (40.7%)	0.009
No	48 (81.4%)	35 (59.3%)

POEM: Peroral endoscopic myotomy; GERDQ: Gastroesophageal reflux disease questionnaire; SF-36: 36-Item Short-Form Health Survey; PPI: Proton pump inhibitor.