Table 3.

30-day mortality rates (per 1000 visits) following ED visits and odds ratios, by period—internal and surgical EDs

	30-day mortality				Results from adjusted* models
	COVID-19 period		Pre-pandemic baseline		ORadj	LCI 95%	UCI 95%	p value
	N	Rates per 1000 visits	Average N per year	Rates per 1000 visits
Internal EDs
First lockdown	630	54.38	582	41.10	1.49	1.34	1.66	< 0.001
Post-first lockdown	2803	36.66	2194	34.51	1.09	1.03	1.15	0.001
Second lockdown	505	39.86	445	37.19	1.18	1.05	1.33	0.005
Post-second lockdown	1298	39.32	1148	40.58	1.02	0.94	1.09	NS
Third lockdown	1023	49.45	836	47.89	1.17	1.06	1.3	0.002
Post-third lockdown	421	38.37	369	43.65	1	0.88	1.13	NS
Total (year)	6680	40.47	5574	38.76	1.08	1.05	1.12	< 0.001
March–April 2021	1351	33.50	1020	41.00	0.98	0.91	1.06	NS
Surgical EDs
First lockdown	88	8.51	82	5.70	1.5	1.16	1.94	< 0.001
Post-first lockdown	542	6.77	348	5.28	1.27	1.14	1.43	< 0.001
Second lockdown	75	5.13	65	5.51	1.06	0.8	1.41	NS
Post-second lockdown	252	6.93	172	6.25	1.11	0.94	1.3	NS
Third lockdown	168	8.22	117	7.33	1.09	0.87	1.36	NS
Post-third lockdown	67	7.27	41	6.35	1.22	0.9	1.65	NS
Total (year)	1192	6.98	825	5.81	1.18	1.09	1.27	< 0.001
March–April 2021	212	4.80	140	5.70	1	0.83	1.19	NS

*Results from GEE models, adjusted for age, sex, and CCI