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Table 3 Number of diagnostic examination 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.-Jun.)

Q3 (Jul.-Sep.)

Q4 (Oct.-Dec.)

Endoscopy

 2019

675 (206-1075)

720 (269-1136)

735 (259-1204)

721 (237-1193)

 2020

643 (212-1071)

504 (174-754)

668 (223-1095)

738 (228-1117)

 Change, %

−1.0 (− 8.6-8.1)

−27.3 (− 39.4- -13.6)

− 8.5 (− 16.7- -1.8)

−3.7 (− 10.8-3.7)

P value

0.31

<  0.001

<  0.001

0.02

Colonoscopy

 2019

321 (106-537.5)

330 (124.5-562)

347 (132-573.5)

328 (119-563.5)

 2020

313 (121-503.5)

251 (88-367)

310 (123.5-496.5)

331 (126-527.5)

 Change, %

1.0 (−8.4-11.7)

−27.5 (−40.4- -11.3)

−12.1(−19.8- -3.1)

−1.2 (−9.0-8.4)

P value

0.69

<  0.001

<  0.001

0.10

Bronchoscopy

 2019

46 (24.75-76.5)

49.5 (28.5-77.75)

54 (29-90.25)

51.5 (25.5-88.5)

 2020

45 (22.5-80.5)

39.5 (17.25-63)

42 (23-69.5)

50 (22.75-74.25)

 Change, %

3.3 (−14.1-20.9)

−24.6 (−40.2- -5.5)

− 16.3 (−33.3-0)

−11.3 (− 33.7-10)

P value

0.25

<  0.001

<  0.001

<  0.001

Breast biopsy

 2019

49 (17-87.25)

57 (23.35-86.25)

57.5 (24.5-88.5)

61.5 (25.25-85)

 2020

50.5 (19.25-87.75)

46.5 (15.25-69.75)

55 (21-85.5)

56.5 (18.25-95)

 Change, %

−5.0 (−23.3-15.8)

−13.0 (−33.3-2.1)

−11.3 (−25.0-1.8)

−4.1 (−21.5-17.2)

P value

0.65

<  0.001

< 0.001

0.02

Colposcopy

 2019

54 (16-170)

53 (16-146)

61 (19-150)

60 (24-160)

 2020

56 (19-147)

47 (16-119)

56 (14-144)

81 (19-166)

 Change, %

−6.1 (−18.8-15.3)

−6.3 (−28.1-5.9)

− 1.0 (− 16.1-18.2)

0 (−23.3-16.3)

P value

0.07

< 0.001

0.31

0.90

  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