Table 1.
Effect of damaging factors on intercellular space diameters of esophageal epithelium (μm, mean ± SD)
| Groups | Cases | Mean IS | Mean of minimal IS | Mean of maximal IS |
| NC | 5 | 0.13 ± 0.02 | 0.09 ± 0.02 | 0.18 ± 0.03 |
| NSIG | 5 | 0.19 ± 0.05 | 0.10 ± 0.01 | 0.29 ± 0.12 |
| NSHD | 5 | 0.14 ± 0.03 | 0.09 ± 0.02 | 0.20 ± 0.02 |
| WRS | 6 | 0.38 ± 0.05b | 0.20 ± 0.06b | 0.64 ± 0.08b |
| HCLIG | 6 | 0.24 ± 0.03 | 0.14 ± 0.02 | 0.40 ± 0.10 |
| EIG | 6 | 0.25 ± 0.10 | 0.16 ± 0.07 | 0.37 ± 0.13 |
| AIG | 6 | 0.32 ± 0.12d | 0.19 ± 0.07d | 0.47 ± 0.17d |
| PHD | 6 | 0.20 ± 0.03 | 0.13 ± 0.02 | 0.30 ± 0.07 |
b
P < 0.01 vs NC;
d
P < 0.01 vs NSIG. IS: Intercellular spaces; NC: Normal control group; NSIG: Normal saline (NS) intragastric administration group; NSHD: NS hypodermic injection group; WRS: Water immersion and restraint stress group; HCLIG: Hydrochloric acid intragastric administration group; EIG: Ethanol intragastric administration group; AIG: Aspirin intragastric administration group; PHD: Prednisolone hypodermic injection group.