Table 3.

Monthly number of samples per year for the first trimester

	Jan	Feb	Mar	Apr	p
Breast resections					<0.001
2017	42	57	43	35
2018	31	14	26	40
2019	41	45	59	48
2020	39	50	41	21
Breast biopsies					<0.001
2017	41	50	57	35
2018	41	51	52	45
2019	60	89	57	45
2020	33	31	30	10
Appendectomies					0.188
2017	34	32	43	35
2018	33	24	35	26
2019	24	25	26	26
2020	27	27	11	18
Lower digestive tract resections				0.628
2017	41	52	53	45
2018	32	36	43	40
2019	41	37	44	35
2020	33	30	25	19
EBUS biopsies					<0.001
2017	9	17	25	13
2018	7	18	21	12
2019	4	17	12	25
2020	31	18	38	3
CNS biopsies and resections					0.749
2017	46	35	51	40
2018	39	35	43	42
2019	25	27	31	28
2020	29	37	28	26
Bone marrow biopsies					0.639
2017	48	42	39	29
2018	73	64	69	52
2019	66	46	42	39
2020	38	36	20	20

CNS, central nervous system; EBUS, endobronchial ultrasound.