Observational Study
Copyright ©The Author(s) 2020.
World J Clin Cases. Aug 26, 2020; 8(16): 3503-3514
Published online Aug 26, 2020. doi: 10.12998/wjcc.v8.i16.3503
Table 2 Dilatation effect in esophageal carcinoma patients repeatedly undergoing dilation for esophageal stenosis
1st time (n = 105)2nd time (n = 102)3rd time (n = 96)4th time (n = 53)5th time (n = 48)6th time (n = 30)7th time (n = 13)F/P value
R1 (mm)5.16 ± 1.675.65 ± 0.996.37 ± 0.676.99 ± 1.187.27 ± 2.107.85 ± 2.748.21 ± 3.4134.71/0.01a
R2 (mm)12.06 ± 2.9212.27 ± 2.1312.24 ± 1.6912.62 ± 1.4412.65 ± 2.3913.27 ± 1.6313.97 ± 2.1116.95/0.00a
R2-R1 (mm)6.90 ± 1.036.62 ± 0.995.87 ± 1.545.63 ± 0.895.38 ± 1.415.42 ± 1.105.76 ± 0.843.29/0.00a