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Table 2 Number of surgery and endoscopic procedure during each quarter in 2019 and 2020

From: Impact of coronavirus disease 2019 on the number of newly diagnosed cancer patients and examinations and surgeries performed for cancer in Japan: a nationwide study

 

Q1 (Jan.-Mar.)

Q2 (Apr.-June)

Q3 (July-Sep.)

Q4 (Oct.-Dec.)

Gastric cancer

Surgery

2019

14 (7-22.5)

13 (8-21.5)

16 (8-25)

16 (9-24)

2020

14 (7.5-21)

12 (7-18.5)

12 (6.5-18)

14 (8-20.5)

Change, %

−4.6 (−21.9-36.1)

−14.3 (−36.3-16.4)

−25.5 (− 44.5- -0.7)

−15.2 (− 31.0-11.4)

P value

0.413

0.003

<  0.001

<  0.001

Endoscopic procedure

2019

17 (7-26)

16 (8-27)

16 (9.5-25.5)

17 (8-28.5)

2020

17 (10-28)

13 (7-22.5)

15 (7-23)

16 (7-26.5)

Change, %

8.3 (−18.3-41.6)

−19.7 (−35.6-13.1)

− 19.4 (−40-7.9)

−8 (−29.6-19.7)

P value

0.012

<  0.001

<  0.001

0.19

Colorectal cancer

Surgery

2019

30 (19-39.75)

31 (18-44.25)

31.5 (20-43.25)

32.5 (19-44)

2020

31 (20.75-42)

27.5 (19-39)

28 (15-39.25)

29.5 (18-46.25)

Change, %

3.8 (−17.2-30.6)

−13.2 (−26.1-11.1)

−15.3 (− 26.3-3.3)

−4.3 (− 18.4-14.4)

P value

0.40

<  0.001

<  0.001

0.153

Endoscopic procedure

2019

20.5 (9-56.5)

22 (9-50)

20.5 (8.75-57.75)

20.5 (9.75-61)

2020

22 (10.5-57)

18 (6.75-41.75)

20 (7-51.25)

22 (7.75-58.5)

Change, %

11.1 (−13.5-50.4)

−22.6 (−36.6-5.8)

−9.2 (−31.0-5.5)

− 1.5 (− 24.0-26.8)

P value

0.02

<  0.001

0.001

0.61

Lung cancer

Surgery

2019

26 (14-36.75)

24(15.25-37)

27 (16.25-39)

28 (18-40.75)

2020

24.5 (18.25-37.75)

22 (14.25-36)

24 (14-35)

26 (15-37.75)

Change, %

4.7 (−16.7-35.0)

−2.0 (−23.5-20)

−16.7(−29.4-11.1)

−6.4 (−21.4-7.3)

P value

0.26

0.21

<  0.001

0.008

Breast cancer

Surgery

2019

32 (15.25-49.75)

34.5 (18.25-51)

34 (18-54)

36.5 (20.25-56.75)

2020

34.5 (17-58.75)

32 (14-48)

32.5 (15.5-47.75)

33.5 (19.5-53.5)

Change, %

7.5 (−7.9-26.7)

−5.9 (−23.0-13)

−9.7 (−23.5-7.7)

−10.2 (−25.5-3.2)

P value

<  0.001

0.08

<  0.001

<  0.001

Cervical cancer

Surgery

2019

10 (3-21)

10 (4.5-19)

10 (4-17.5)

10 (4-19.5)

2020

9 (5-20)

11 (4-19)

10 (3.5-20)

10 (5-17.5)

Change, %

0 (−21.9-60)

0 (−35.5-42.5)

0 (−38.8-28.5)

0 (−30.3-50)

P value

0.87

0.26

0.25

0.87

  1. Number showed the median (IQR)
  2. Statistical analysis was performed by comparing the number of each hospital during each quarter in 2020 with the equivalent quarter in 2019 using Wilcoxon signed-rank test. Significance was defined as a p value of less than 0.05