Table 4.
X-ray (dilated bowel loop/multiple air fluid level) versus per-operative obstruction: Pearson’s chi-squared test.
| Value | df | Asymptomatic sig. (2-sided) | Exact sig. (2-sided) | Exact sig. (1-sided) | |
|---|---|---|---|---|---|
| Pearson’s chi-squared test | 1.383* | 1 | 0.240 | - | - |
| Continuity correction° | 0.584 | 1 | 0.445 | - | - |
| Likelihood ratio | 1.365 | 1 | 0.243 | - | - |
| Fisher’s exact test | - | - | - | 0.412 | 0.221 |
| Linear-by-linear association | 1.333 | 1 | 0.248 | - | - |
| No. of valid cases | 28 | - | - | - | - |
df, degree of freedom; sig., significance.*1 cell (25.0%) has expected count less than 5. The minimum expected count is 3.57; °computed only for a 2x2 table.