This study aims to explore the characteristics, related factors and risk factors of insomnia of patients after operation for gastric cancer.
A cross-sectional survey was carried out and finally 115 patients with insomnia after operation for gastric cancer were included. The general information, gastric cancer related information, sleep quality and other symptoms were investigated.
①The Pittsburgh sleep quality index score of most insomnia patients after gastric cancer surgery was 11–15 points, the sleep quality rating was “Poor”. ②The sleep quality of patients with insomnia after surgery for gastric cancer is related to the number of chemotherapy cycles, fatigue and depression. ③The risk of reduced sleep quality with the number of chemotherapy cycles > 6 is 3.640 times that of ≤ 6. The risk of reduced sleep quality during moderate to severe fatigue was 4.390 times that of patients with no or mild fatigue.
Attention to related factors and risk factors may be associated with improvement of sleep quality in patients with gastric cancer after surgery.

Figure 1
This is a list of supplementary files associated with this preprint. Click to download.
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Posted 12 Feb, 2021
Received 08 Mar, 2021
Invitations sent on 06 Feb, 2021
On 16 Jan, 2021
Posted 12 Feb, 2021
Received 08 Mar, 2021
Invitations sent on 06 Feb, 2021
On 16 Jan, 2021
This study aims to explore the characteristics, related factors and risk factors of insomnia of patients after operation for gastric cancer.
A cross-sectional survey was carried out and finally 115 patients with insomnia after operation for gastric cancer were included. The general information, gastric cancer related information, sleep quality and other symptoms were investigated.
①The Pittsburgh sleep quality index score of most insomnia patients after gastric cancer surgery was 11–15 points, the sleep quality rating was “Poor”. ②The sleep quality of patients with insomnia after surgery for gastric cancer is related to the number of chemotherapy cycles, fatigue and depression. ③The risk of reduced sleep quality with the number of chemotherapy cycles > 6 is 3.640 times that of ≤ 6. The risk of reduced sleep quality during moderate to severe fatigue was 4.390 times that of patients with no or mild fatigue.
Attention to related factors and risk factors may be associated with improvement of sleep quality in patients with gastric cancer after surgery.

Figure 1
This is a list of supplementary files associated with this preprint. Click to download.
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