Table 3.
Chi-squared test
| Department | Value | df | Asymptotic significance (two-sided) | Exact significance (two-sided) | Exact significance (one-sided) |
|---|---|---|---|---|---|
| Prosthodontics | |||||
| Pearson chi-squared | 24.350* | 1 | 0.000 | ||
| Continuity correction† | 21.478 | 1 | 0.000 | ||
| Likelihood ratio | 27.374 | 1 | 0.000 | ||
| Fisher’s exact test | 0.000 | 0.000 | |||
| Linear by linear association | 23.809 | 1 | 0.000 | ||
| Number of valid cases | 45 | ||||
| Orthodontics | |||||
| Pearson chi-squared | 1.386‡ | 1 | 0.239 | ||
| Continuity correction† | 0.58 | 1 | 0.446 | ||
| Likelihood ratio | 1.395 | 1 | 0.238 | ||
| Fisher’s exact test | 0.408 | 0.233 | |||
| Linear by linear association | 1.328 | 1 | 0.249 | ||
| Number of valid cases | 24 | ||||
| Endodontics | |||||
| Pearson chi-squared | 21.330§ | 1 | 0.000 | ||
| Continuity correction† | 19.36 | 1 | 0.000 | ||
| Likelihood ratio | 22.17 | 1 | 0.000 | ||
| Fisher’s exact test | 0.000 | 0.000 | |||
| Linear by linear association | 21.127 | 1 | 0.000 | ||
| Number of valid cases | 105 | ||||
| Paedodontics | |||||
| Pearson chi-squared | 0.839¶ | 1 | 0.36 | ||
| Continuity correction† | 0.235 | 1 | 0.628 | ||
| Likelihood ratio | 0.867 | 1 | 0.352 | ||
| Fisher’s exact test | 0.426 | 0.318 | |||
| Linear by linear association | 0.813 | 1 | 0.367 | ||
| Number of valid cases | 32 | ||||
*
0 cells (0%) have an expected count <5. The minimum expected count is 9.78.
†
Computed only for a 2 × 2 table.
‡
1 cell (25.0%) has an expected count <5. The minimum expected count is 4.58.
§
0 cells (0%) have an expected count <5. The minimum expected count is 23.80.
¶
0 cells (0%) have an expected count <5. The minimum expected count is 3.06.