Copyright
©The Author(s) 2017.
World J Gastroenterol. May 14, 2017; 23(18): 3309-3314
Published online May 14, 2017. doi: 10.3748/wjg.v23.i18.3309
Published online May 14, 2017. doi: 10.3748/wjg.v23.i18.3309
Table 1 Demographic characteristics of patients presenting with achalasia n (%)
| Characteristic | Value |
| Sex, female/male (n) | 197/162 |
| Age (yr), mean (range) | 42.1 (12-75) |
| Duration of symptoms (mo), median (range) | 36 (2-360) |
| Lower esophageal sphincter pressure (mmHg), mean (range) | 33.0 (0.7-72.4) |
| Ling classification | |
| I | 119 (33.1) |
| IIa | 106 (29.5) |
| IIb | 60 (16.7) |
| IIc | 60 (16.7) |
| III | 14 (3.9) |
- Citation: Zhang WG, Linghu EQ, Chai NL, Li HK. Ling classification describes endoscopic progressive process of achalasia and successful peroral endoscopy myotomy prevents endoscopic progression of achalasia. World J Gastroenterol 2017; 23(18): 3309-3314
- URL: https://www.wjgnet.com/1007-9327/full/v23/i18/3309.htm
- DOI: https://dx.doi.org/10.3748/wjg.v23.i18.3309