Table 2.
Comparison of frequency score pre- and postintervention between groups.
| Case (n = 15) | Control (n = 15) | P value∗ | ||
|---|---|---|---|---|
| Frequency score (%) | Frequency score (%) | |||
| Chest pain | Before | 5 (26.3) | 14 (73.7) | 0.041 |
| After | 1 (100.0) | 0 (0.0) | 0.400 | |
| P value∗∗ | 0.125 | 0.001∗ | ||
| Nausea | Before | 7 (36.8) | 12 (63.2) | 0.643 |
| After | 1 (10.0) | 9 (90.0) | 0.024∗ | |
| P value∗∗ | 0.031∗ | 0.250 | ||
| Vomiting | Before | 5 (33.3) | 10 (66.7) | 0.456 |
| After | 0 (0.0) | 3 (100.0) | 0.255 | |
| P value∗∗ | 0.063 | 0.016∗ | ||
| Stomach ache | Before | 5 (45.5) | 6 (54.5) | 0.280 |
| After | 3 (33.3) | 6 (66.7) | 0.704 | |
| P value∗∗ | 0.500 | 0.999 | ||
| Poor appetite | Before | 11 (50.0) | 11 (50.0) | 0.064 |
| After | 1 (11.1) | 8 (88.9) | 0.042∗ | |
| P value∗∗ | 0.002∗ | 0.250 | ||
| Dysphagia | Before | 5 (55.6) | 4 (44.4) | 0.255 |
| After | 0 (0.0) | 0 (0.0) | — | |
| P value∗∗ | 0.063 | 0.125 | ||
| Reflux | Before | 1 (16.7) | 5 (83.3) | 0.255 |
| After | 0 (0.0) | 0 (0.0) | — | |
| P value∗∗ | 0.999 | 0.063 | ||
| Sore throat | Before | 1 (100.0) | 0 (0.0) | 0.400 |
| After | 0 (0.0) | 0 (0.0) | — | |
| P value∗∗ | 0.999 | — | ||
| Need to drink fluids | Before | 3 (60.0) | 2 (40.0) | 0.317 |
| After | 2 (100.0) | 0 (0.0) | 0.152 | |
| P value∗∗ | 0.999 | 0.999 | ||
∗Resulted from the comparison of between-group (case-control) by chi square. ∗∗Result from the comparison of within-group (before-after) by Mcnemar test.