Gastroenterology Research and Practice / 2022 / Article / Tab 1 / Research Article
Safety and Efficacy of the Supine Position with the Right Shoulder Raised versus the Left Lateral Position in Peroral Endoscopic Myotomy for Achalasia: A Large-Sample Retrospective Study Table 1 Clinical characteristics of the two groups.
Supine position with the right shoulder raised group ( ) Left lateral position group ( ) p valueSex, male/female (n ) 249/330 60/63 0.241 Age, mean (range) (years) 45.7 (18–85) 43.3 (19–77) 0.088 Duration of symptoms, mean (range) (years) 7.1 (0.1–45) 5.4 (0.2–33) 0.069 Previous treatment [n (%)] 112 (19.3) 34 (27.6) 0.636 Balloon dilation 57 (9.8) 20 (16.3) — Botox injection 33 (5.7) 10 (8.1) — Temporary stenting 3 (0.5) 2 (1.6) — Heller myotomy 8 (1.4) 0 (0) — Balloon dilation + Botox injection 3 (0.5) 0 (0) — Balloon dilation + temporary stenting 1 (0.2) 0 (0) — Botox injection + temporary stenting 1 (0.2) 0 (0) — Temporary stenting + Heller myotomy 1 (0.2) 1 (0.8) — Peroral endoscopic myotomy 5 (0.9) 1 (0.8) — Ling classification [n (%)] 0.116 I 69 (11.9) 23 (18.7) — IIa 157 (27.1) 32 (26.0) — IIb 148 (25.6) 32 (26.0) — IIc 180 (31.1) 28 (22.8) — IIIl 8 (1.4) 5 (4.1) — IIIr 7 (1.2) 1 (0.8) — IIIlr 10 (1.7) 2 (1.6) — Chicago subtype of achalasia [n (%)] 0.877 I 113 (19.5) 26 (21.1) — II 428 (73.9) 90 (73.2) — III 38 (6.6) 7 (5.7) —