Cancer surgery during COVID increased the patient mortality and the transmission risk to healthcare workers: results from a retrospective cohort study (NCT05240378)

Table 4 Postoperative mortality before and during COVID period

Site	Before COVID period (April 2019–April 2020) (group A) (N = 959)		COVID period (May 2020–May 2021) (group B) (N = 617)
Site	Number	Percentage	Number	Percentage
Breast	0	0	0	0
Others	0	0	1	0.16
Thorax	2	0.2	0	0
GIT	5	0.52	7 (3^a + 2^b)	1.13
Head and neck	1	0.1	5 (1^a + 1^b)	0.81
Gynecology	0	0	1	0.16
Male genital and urinary system	1	0.1	0	0
Total	9	0.93	14	2.26
Chi-square	2.16
p-value	0.04*

*p-value < 0.05 is significant. Mortality during COVID period is 14, out of which 7 is due to COVID (4 were ^aconfirmed cases, and 3 had ^batypical pneumonia on HRCT suggestive of COVID infection)

ISSN: 1477-7819