Clinical Study
Factors Associated with Inadequate Tissue Yield in EUS-FNA for Gastric SMT
Table 2
Factors associated with the diagnostic yield of EUS-FNA.
| | All | Diagnostic | Nondiagnostic | | | Factors | () | () | () | P value |
| | Age (years old) | 60.4 ± 13.3 | 64.4 ± 11.3 | 49.0 ± 12.3 | <.001* | | 20~29 | 1 (2.1%) | 0 (0%) | 1 (8.3%) | | | 30~39 | 3 (6.4%) | 1 (2.9%) | 2 (16.7%) | | | 40~49 | 5 (10.6%) | 2 (5.7%) | 3 (25.0%) | | | 50~59 | 11 (23.4%) | 8 (22.9%) | 3 (25.0%) | | | 60~69 | 17 (36.2%) | 14 (40.0%) | 3 (25.0%) | | | 70~79 | 6 (12.8%) | 6 (17.1%) | 0 (0%) | | | 80~89 | 4 (8.5%) | 4 (11.4%) | 0 (0%) | | | Sex (M/F) | 24/23 | 19/16 | 5/7 | N.S.** | | Tumor location | | | | | | U | 26 (55.3%) | 22 (62.9%) | 4 (33.3%) | N.S.** | | M | 15 (31.9%) | 11 (31.4%) | 4 (33.3%) | N.S.** | | L | 6 (12.8%) | 2 (5.7%) | 4 (33.3%) | .013 ** | | Tumor size (mm) | 29.0 ± 11.2 | 29.3 ± 12.4 | 28.3 ± 6.7 | N.S.* | | 10~19 | 5 (10.6%) | 4 (11.4%) | 1 (8.3%) | | | 20~29 | 20 (42.6%) | 14 (40%) | 5 (41.7%) | | | 30~39 | 14 (29.8%) | 9 (25.7%) | 5 (41.7%) | | | 40~49 | 7 (14.9%) | 6 (17.1%) | 1 (8.3%) | | | 50~ | 1 ( 2.1%) | 1 (2.9%) | 0 (0%) | | | Pattern of growth (No.[%]) | | | | N.S.** | | intragastric | 34 (72.4%) | 23 (65.7%) | 11 (32.4%) | | | extragastric | 5 (10.6%) | 5 (14.3%) | 0 (0%) | | | mixed | 8 (17.0%) | 7 (20.0%) | 1 (12.5%) | | | Pattern of echography (No.[%]) | | | | N.S.** | | homo | 20 (42.6%) | 13 (37.1%) | 7 (35.0%) | | | hetero | 27 (57.4%) | 22 (62.9%) | 5 (18.5%) | |
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*Student t-test.
**Chi-square test.
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