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©2011 Baishideng Publishing Group Co.
World J Gastroenterol. Mar 14, 2011; 17(10): 1336-1342
Published online Mar 14, 2011. doi: 10.3748/wjg.v17.i10.1336
Published online Mar 14, 2011. doi: 10.3748/wjg.v17.i10.1336
Table 1 Baseline characteristics of 38 patients
| Average age (yr), mean ± SD (range) | 59.9 ± 11.5 (27-80) |
| Gender | |
| Male:Female | 20:18 |
| Median interval duration after initial diagnosis (yr) | 1 |
| Type of GIM | All complete GIM |
| Positive rapid urease test in 1st endoscopy | 12/38 |
| Positive rapid urease test in 2nd endoscopy | 8/26 |
| Dyspeptic symptoms | 5/38 |
| Smoking | None |
| Family history of gastric cancer | None |
| Significant underlying disease | 5/38 |
Table 2 Validity scores with confidence intervals of the first endoscopic targeting biopsy for gastric intestinal metaplasia, mean (range)
| Criteria | Sensitivity (%) | Specificity (%) | PPV (%) | NPV (%) | LR + (%) |
| LBC | 70.59 (59.57-79.72) | 83.22 (75.75-88.75) | 71.43 (60.37-80.49) | 82.64 (75.24-88.25) | 4.21 (2.85-6.21) |
| VP | 29.41 (20.28-40.43) | 97.90 (93.51-99.45) | 89.28 (70.63-97.19) | 70.00 (63.06-76.16) | 14.02 (4.36-45.03) |
| LLC | 17.65 (10.53-27.75) | 95.10 (89.79-97.84) | 68.18 (45.12-85.26) | 66.02 (59.06-72.36) | 3.60 (1.53-8.48) |
| All criteria | 78.82 (68.34-86.64) | 82.51 (75.08-88.16) | 72.83 (62.38-81.33) | 86.76 (79.63-98.73) | 4.51 (3.11-6.55) |
Table 3 Validity scores with confidence intervals of the second endoscopic targeting biopsy for gastric intestinal metaplasia, mean (range)
| Criteria | Sensitivity (%) | Specificity (%) | PPV (%) | NPV (%) | LR + (%) |
| LBC | 82.61 (68.05-91.68) | 92.73 (85.74-96.58) | 82.61 (68.05-91.68) | 92.73 (85.74-96.58) | 11.36 (5.75-22.42) |
| VP | 21.74 (11.45-36.76) | 98.15 (92.81-99.67) | 83.33 (50.88-97.06) | 74.65 (66.53-81.40) | 11.74 (2.67-51.48) |
| LLC | 43.48 (29.25-58.79) | 99.07 (94.20-99.95) | 95.24 (74.13-99.75) | 80.45 (72.49-86.61) | 46.95 (6.49-339.58) |
| ALL | 91.30 (78.31-97.17) | 89.09 (81.36-93.98) | 77.78 (64.05-87.52) | 96.07 (89.69-98.73) | 8.37 (4.87-14.38) |
- Citation: Rerknimitr R, Imraporn B, Klaikeaw N, Ridtitid W, Jutaghokiat S, Ponauthai Y, Kongkam P, Kullavanijaya P. Non-sequential narrow band imaging for targeted biopsy and monitoring of gastric intestinal metaplasia. World J Gastroenterol 2011; 17(10): 1336-1342
- URL: https://www.wjgnet.com/1007-9327/full/v17/i10/1336.htm
- DOI: https://dx.doi.org/10.3748/wjg.v17.i10.1336