Table 1. Cumulative in-, outpatient and total hospitalization case deficit for several conditions in the German-wide Helios hospital network at the nadir and in mid-December 2020 during the Covid-19 pandemic.

		Admissions until the nadir week				Admissions until the final week
	Nadir week	Expected (n)	Observed (n)	Deficit (95% CI)	P Value	Expected (n)	Observed (n)	Deficit (95% CI)	P Value
Cardiovascular
Inpatient	3 April-9 April	14,287	9,777	-32% (-33; -30)	< 0.001	139,302	122,258	-12% (-13; -12)	< 0.001
Outpatient	10 April-16 April	7,731	5,183	-33% (-35; -31)	< 0.001	60,302	57,138	-5% (-6; -5)	< 0.001
Total	10 April-16 April	25,590	17,217	-33% (-34; -32)	< 0.001	199,604	179,396	-10% (-10; -10)	< 0.001
Oncology
Inpatient	10 April-16 April	11,678	9,553	-18% (-20; -17)	< 0.001	91,086	84,267	-7% (-8; -7)	< 0.001
Outpatient	20 March-26 March	3,241	2,701	-17% (-19; -14)	< 0.001	63,207	76,333	21% (20; 21)	< 0.001
Total	10 April-16 April	19,781	17,732	-10% (-11; -9)	< 0.001	154,293	160,600	4% (4; 4)	< 0.001
Psychiatry
Inpatient	10 April-16 April	3,793	2,427	-36% (-39; -33)	< 0.001	29,587	24,231	-18% (-19; -17)	< 0.001
Outpatient	20 March-26 March	3,956	2,083	-47% (-50; -45)	< 0.001	77,146	78,563	2% (1; 2)	< 0.001
Total	20 March-26 March	5,473	3,129	-43% (-45; -41)	< 0.001	106,733	102,794	-4% (-4; -3)	< 0.001
Surgery
Inpatient	10 April-16 April	32,304	19,340	-40% (-41; -39)	< 0.001	251,975	224,492	-11% (-11; -11)	< 0.001
Outpatient	10 April-16 April	7,429	4,527	-39% (-41; -37)	< 0.001	57,946	56,082	-3% (-4; -3)	< 0.001
Total	10 April-16 April	39,733	23,867	-40% (-41; -39)	< 0.001	309,921	280,574	-9% (-10; -9)	< 0.001