Clinical verification and application of the modified Waterlow scale

ZHANG Zhong; LI Qing; DENG Guo-ying; WANG Mei; ZHANG Yuan; LIN Ying

doi:10.16766/j.cnki.issn.1674-4152.002434

Volume 20 Issue 4

Apr. 2022

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Article Navigation > Chinese Journal of General Practice > 2022 > 20(4): 700-703

ZHANG Zhong, LI Qing, DENG Guo-ying, WANG Mei, ZHANG Yuan, LIN Ying. Clinical verification and application of the modified Waterlow scale[J]. Chinese Journal of General Practice, 2022, 20(4): 700-703. doi: 10.16766/j.cnki.issn.1674-4152.002434

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ZHANG Zhong, LI Qing, DENG Guo-ying, WANG Mei, ZHANG Yuan, LIN Ying. Clinical verification and application of the modified Waterlow scale[J]. Chinese Journal of General Practice, 2022, 20(4): 700-703. doi: 10.16766/j.cnki.issn.1674-4152.002434

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Clinical verification and application of the modified Waterlow scale

doi: 10.16766/j.cnki.issn.1674-4152.002434

ZHANG Zhong¹
, LI Qing²
, DENG Guo-ying³
, WANG Mei¹
, ZHANG Yuan¹
, LIN Ying^{1
,
,}

1.
Nursing Department of Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 201620, China

Funds:

71432007

Jyh1813

Received Date: 2021-04-21
Available Online: 2022-08-20

Abstract

Abstract

Objective After simplifying the commonly used Waterlow scale, the modified version was obtained and clinically verified. Methods A total of 204 cases were analysed retrospectively by attribute reduction method, and the improved Waterlow scale was obtained. Afterward, from June to November 2019, 249 inpatients from Shanghai General Hospital were selected for a prospective study, Paired chi square test and area under the receiver operating characteristic curve (ROC) were used to compare the prediction effect of these two scales. Results When the optimal critical value of the modified Waterlow scale was 9.5 marks, it had good sensitivity (0.893) and specificity (0.963), and the maximum value of Youden index (sensitivity + specificity-1) was 0.856. Moreover, the area under the ROC curve of the modified Waterlow scale and the traditional Waterlow scale were 0.879 and 0.931, respectively (both >0.7). The rate of positive case detection was 60.24% for the modified Waterlow scale and 76.31% for the traditional Waterlow scale. The kappa test value was 0.737 (> 0.7), and the result of McNemar test was no statistical difference, which indicated that the consistency of these two scales is established (χ²=0.042, P=0.838). Moreover, no statistical difference was observed between these two scales. Conclusion The modified Waterlow scale has highly scientific. The detection efficiency is consistent with the traditional Waterlow scale, the prediction accuracy is high, and there are few evaluation items and easy to use, which can effectively improve the efficiency of nursing work.
- Pressure injury,
- Risk profile,
- Assessment scale

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References(18)

References

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