Table 1.

Monthly number of SA-related hospitalizations and rate of violent or severe SA for each trimester

LS-means [95% CI] and p-values of comparisons between years (Bonferroni correction).

Periods		2018	2019	2020	2020 vs. 2019	2018 vs. 2020	2018 vs. 2019
Global	SA-related hospitalization	7493 [7292;7699]	7322 [7125;7523]	6630 [6451;6813]	<0.0001	<0.0001	0.7140
	Rate violent or severe SA	18.5 [18.2 ;18.8]	19.2 [18.9 ;19.5]	19.8 [19.5 ;20.2]	0.0069	<0.0001	0.0034
1st trimester January-March	SA-related hospitalization	7471 [7076;7888]	6935 [6567;7323]	7008 [6637;7400]	1.0000	0.3073	0.1724
	Rate violent or severe SA	17.4 [16.8;17.9]	19.1[18.6;19.7]	18.8[18.2;19.4]	1.0000	0.0019	<0.0001
2nd trimester April-June	SA-related hospitalization	7895 [7478;8335]	7576 [7176;7999]	6349 [6012;6706]	<0.0001	<0.0001	0.8764
	Rate violent or severe SA	18.6 [18.1;19.2]	19.3[18.7;19.9]	21.1[20.5;21.8]	<0.0001	<0.0001	0.3193
3rd trimester July-September	SA-related hospitalization	7366 [6976;7777]	7297 [6911;7705]	6625 [6274;6997]	0.0417	0.0210	1.0000
	Rate violent or severe SA	19.1 [18.5;19.7]	19.2 [18.6;19.7]	20.3 [19.7;21]	0.0183	0.0109	1.0000
4th trimester October-Dec.	SA-related hospitalization	7255 [6871;7660]	7495 [7099;7914]	6556 [6208;6923]	0.0019	0.0296	1.0000
	Rate violent or severe SA	19 [18.4;19.6]	19.1 [18.6;19.7]	19.2 [18.6;19.8]	1.0000	1.0000	1.0000