Index of observation
To evaluate the nursing ability of the two groups of nurses, the Chinese Nurse Core Competence Scale [The training satisfaction of the two groups of nurses was investigated using a satisfaction questionnaire made by our hospital. The full score of this questionnaire was 100, and the higher the score, the better the nurse’s satisfaction. Based on their scores, they were categorised as very satisfied (above 90), satisfied (70–90) and dissatisfied (below 70). The total satisfaction score was the sum of very satisfied and satisfied respondents.