Grouping | Number of cases | Very dissatisfied | Dissatisfied | Satisfied | Relatively satisfied | Very satisfied | X2 | P value |
Observation group | 50 | 0 | 2 | 15 | 22 | 11 | 10.325 | 0.016 |
Control group | 50 | 0 | 8 | 19 | 21 | 2 |
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