Imaging volumes during COVID-19: A Victorian health service experience

Table 11 Comparison of mean paediatric weekly imaging volumes for 2019 and 2020 including 95%CIs, by imaging modality categorised by patient setting

Paediatric Setting	Modality	2020			2019			P value
		Mean	Min-max	95%CI	Mean	Min-max	95%CI
Emergency	Angiography	0.02	0-1	-0.02-0.07	0.02	0-1	-0.02-0.05	-0.83
	Computed tomography	4.3	0-11	3.54-5.05	5.0	0-12	4.33-5.67	0.17
	Fluoroscopy	2.27	0-6	1.68-2.86	2.53	0-7	2.08-2.99	0.48
	Radiography	160.77	75-281	144.44 -177.11	206.58	123-268	198.64-214.52	< 0.0001
	Magnetic resonance imaging	1.7	0-5	1.33-2.08	1.87	0-5	1.49-2.24	0.55
	Nuclear Medicine	0.07	0-1	-0.01-0.15	0.05	0-1	-0.01-0.11	0.70
	Ultrasound	14.41	6-25	13.16-15.65	17.67	8-26	16.59-18.74	0.0001
Inpatient	Angiography	1.18	0-4	0.83-1.53	1.17	0-6	0.85-1.48	0.95
	Computed tomography	5.66	1-14	4.92-6.4	5.66	0-11	5.0-6.27	0.96
	Fluoroscopy	17.8	7-38	15.86-19.73	19.98	7-30	18.61-21.36	0.061
	Radiography	85.84	56-120	81.74-89.94	97.97	70-143	93.99- 101.95	< 0.0001
	Magnetic resonance imaging	25.73	11-41	23.6-27.86	25.05	8-41	23.41-26.69	0.61
	Nuclear Medicine	0.55	0-3	0.28-0.81	0.98	0-5	0.72-1.25	0.025
	Ultrasound	58.36	33-76	55.51-61.21	65.33	40-84	62.9-67.77	0.0003
	Bone mineral densitometry	0.82	0-4	0.47-1.17	1.27	0-4	1.01-1.53	0.038
Outpatient	Angiography	0.05	0-1	-0.02-0.11	0.38	0-3	0.20-0.57	0.003
	Computed tomography	4.43	1-9	3.82-5.04	4.28	0-10	3.75-4.82	0.72
	Fluoroscopy	2.25	0-7	1.7-2.8	2.72	0-9	2.22-3.22	0.22
	Radiography	121.2	66-197	110.62-131.79	167.88	87-215	161.21-174.55	< 0.0001
	Magnetic resonance imaging	25.48	10-37	23.49-27.46	28.82	11-47	26.92-30.72	0.019
	Nuclear medicine	2	0-6	1.54-2.46	2.47	0-6	2.08-2.86	0.13
	Ultrasound	198.77	92-266	186.88-210.66	208.77	117-260	201.54-215.99	0.13
	Bone mineral densitometry	1.86	0-8	1.37-2.35	2.8	0-7	2.35-3.25	0.007
All classes	Angiography	1.25	0-4	0.89-1.61	1.57	0-6	1.22-1.91	0.22
	Computed tomography	14.39	8-23	13.10-15.67	14.92	5-21	14.01-15.83	0.49
	Fluoroscopy	22.32	11-44	20.04-24.60	25.23	8-40	3.59-4.54	0.037
	Radiography	367.82	239-538	340.73-394.90	472.43	331-581	458.91-485.96	< 0.0001
	Magnetic resonance imaging	52.91	23-78	49.27-56.55	55.73	22-84	52.78-58.68	0.23
	Nuclear Medicine	2.61	0-8	2.01-3.21	3.5	0-7	3.05-3.95	0.017
	Ultrasound	271.55	149-346	258.11-284.98	291.77	184-350	283.07-300.46	0.010
	Bone mineral densitometry	2.68	0-9	2.03-3.33	4.07	0-8	3.59-4.54	0.001
	Total	735.52	476-1024	693.13-777.91	869.22	553-1016	845.88-892.55	< 0.0001