Table 3.

Comparative analysis of the rate of IPF admissions in analysis 2

Month	Year	Prevalence	Number of admissions	Admission rate (%)	Rate ratio (95% CI)	P value
Jan	2017–2019	9,808	448	4.58	reference
	2020	12,732	601	4.72	1.04 (0.91–1.17)	0.588
	2021	14,385	468	3.25	0.70 (0.62–0.80)	< 0.001
Feb	2017–2019	9,808	343	3.52	reference
	2020	12,732	457	3.59	1.03 (0.89–1.18)	0.710
	2021	14,385	409	2.84	0.81 (0.70–0.93)	0.004
Mar	2017–2019	9,808	406	4.16	reference
	2020	12,732	438	3.44	0.83 (0.72–0.95)	0.006
	2021	14,385	487	3.39	0.81 (0.71–0.93)	0.002
Apr	2017–2019	9,808	433	4.42	reference
	2020	12,732	416	3.27	0.73 (0.64–0.84)	< 0.001
	2021	14,385	461	3.20	0.72 (0.63–0.82)	< 0.001
May	2017–2019	9,808	427	4.33	reference
	2020	12,732	436	3.42	0.78 (0.68–0.89)	< 0.001
	2021	14,385	472	3.28	0.75 (0.65–0.85)	< 0.001
Jun	2017–2019	9,808	398	4.04	reference
	2020	12,732	464	3.64	0.89 (0.78–1.03)	0.109
	2021	14,385	461	3.20	0.78 (0.68–0.90)	< 0.001
July	2017–2019	9,808	437	4.44	reference
	2020	12,732	469	3.68	0.82 (0.72–0.94)	0.003
	2021	14,385	441	3.07	0.68 (0.59–0.78)	< 0.001
Aug	2017–2019	9,808	413	4.21	reference
	2020	12,732	380	2.98	0.70 (0.61–0.81)	< 0.001
	2021	14,385	438	3.04	0.71 (0.62–0.82)	< 0.001
Sep	2017–2019	9,808	357	3.63	reference
	2020	12,732	428	3.36	0.92 (0.80–1.06)	0.259
	2021	14,385	417	2.90	0.79 (0.68–0.91)	0.001
Oct	2017–2019	9,808	394	4.01	reference
	2020	12,732	397	3.12	0.77 (0.67–0.89)	< 0.001
	2021	14,385	421	2.93	0.72 (0.63–0.83)	< 0.001
Nov	2017–2019	9,808	407	4.15	reference
	2020	12,732	424	3.33	0.80 (0.69–0.91)	0.001
	2021	14,385	449	3.12	0.74 (0.65–0.85)	< 0.001
Dec	2017–2019	9,808	422	4.29	reference
	2020	12,732	426	3.35	0.77 (0.67–0.88)	< 0.001
	2021	14,385	473	3.29	0.76 (0.66–0.86)	< 0.001