Table 2

Age, sex and urgency distribution of procedures by time period with p values*, overall and by procedure type

Procedure typeTime period*
Pre-COVIDCOVID impacted
N%N%
All
Age group
 <4049 44313.9460710.7
 40–4940 11011.339459.1
 50–5988 63125.0768017.8
 60–6972 46720.410 20923.7
 70+104 09929.316 67538.7
P<0.001
Sex
 Females179 24451.020 09347.3
 Males172 05149.022 41652.7
P<0.001
Urgency
 Emergency54781.525085.8
 Urgent123 65134.9 25 598 59.4
 Surveillance19 2265.46491.5
 Routine168 33947.4936721.7
 Not specified38 08410.7499811.6
P<0.001
Colonoscopy
Age group
 <4016 25912.912479.6
 40–4915 16012.012229.4
 50–5926 07420.6261920.1
 60–6932 49525.73875 29.8
 70+36 46328.8403531.0
P<0.001
Sex
 Females62 22349.8637349.8
 Males62 84050.2642250.2
P<0.001
Urgency
 Emergency6580.5640.5
 Urgent47 59937.6793461.0
 Surveillance82556.52872.2
 Routine56 62744.8311824.0
 Not specified13 31610.5159512.3
P<0.001
Flexible sigmoidoscopy
Age group
 <4010 27014.0108517.2
 40–4959988.25829.2
 50–5933 58945.897415.4
 60–69829711.3122519.4
 70+15 18820.7245638.8
P<0.001
Sex
 Females35 99449.5297547.5
 Males36 78050.5328652.5
P=0.003
Urgency
 Emergency10901.54697.4
 Urgent20 20927.6361257.1
 Surveillance65148.91372.2
 Routine36 60949.9142322.5
 Not specified892712.268210.8
P<0.001
OGD
Age group
 <4022 54515.020369.7
 40–4918 63012.419639.4
 50–5928 35218.9369117.7
 60–6930 72120.5454121.7
 70+49 58333.1867641.5
P<0.001
Sex
 Females78 26852.7931645.2
 Males70 13247.311 29454.8
P<0.001
Urgency
 Emergency36072.418438.8
 Urgent53 16935.512 06757.7
 Surveillance44413.02241.1
 Routine73 14948.8430220.6
 Not specified15 48010.3247411.8
P<0.001
ERCP
Age group
 <403697.22398.3
 40–493226.31786.2
 50–5961612.039613.7
 60–6995418.656819.7
 70+286555.9150852.2
P=0.013
Sex
 Females275954.5142950.3
 Males229945.5141449.7
P<0.001
Urgency
 Emergency1232.41324.6
 Urgent267452.1198568.7
 Surveillance160.310.0
 Routine195438.152418.1
 Not specified3617.02478.5
P<0.001
  • *Pre-COVID 6 January 2020–15 March 2020; COVID-19 impacted 23 March 2020–31 May 2020.

  • †From χ2 test of association.

  • ‡Implausible ages recorded for 33 procedures; sex not recorded for 4095 procedures; urgency not recorded for 1 procedure.

  • ERCP, endoscopic retrograde cholangiopancreatography; OGD, oesophagogastroduododenoscopy.