Rapid Communication
Copyright ©2006 Baishideng Publishing Group Co.
World J Gastroenterol. Oct 21, 2006; 12(39): 6349-6354
Published online Oct 21, 2006. doi: 10.3748/wjg.v12.i39.6349
Table 3 Baseline impedance by the manometric diagnosis (mean ± SD)
Impedance measuring site (distance from the LES)
20 cm (Ω)15 cm (Ω)10 cm (Ω)5 cm (Ω)
Manometric diagnosis
Liquid
Normal1530 ± 549a1353 ± 464a1808 ± 608a2440 ± 778a
IEM1430 ± 572a994 ± 350a1318 ± 507a1875 ± 757a
Nutcracker1329 ± 539a1348 ± 550a1636 ± 712a2132 ± 1089a
Scleroderma1006 ± 503448 ± 238419 ± 194402 ± 195
Achalasia658 ± 478456 ± 287391 ± 140660 ± 465
Viscous
Normal1415 ± 494a1317 ± 428a1589 ± 549a2518 ± 1452a
IEM1324 ± 476a1050 ± 289a1269 ± 465a1849 ± 742a
Nutcracker1447 ± 127a1302 ± 220a1642 ± 285a2206 ± 342a
Scleroderma787 ± 418403 ± 160378 ± 158331 ± 145
Achalasia388 ± 237335 ± 150323 ± 59528 ± 343