Table 3.

Relative risk (95% confidence interval) of in-hospital death for AECOPD stays for different pandemic periods, compared with the same months over the reference years, by age group and sex.

	Mar–Jun 2020	Sep–Dec 2020	Jan–May 2021	2020–2021 (total)
Age group (years)
40–49	2.41 (1.39–4.20)	1.98 (1.06–3.68)	1.42 (0.79–2.56)	1.48 (1.11–1.97)
50–59	1.03 (0.79–1.35)	1.29 (0.98–1.69)	1.20 (0.94–1.53)	1.15 (1.03–1.29)
60–69	1.22 (1.08–1.37)	1.43 (1.26–1.62)	1.42 (1.27–1.59)	1.28 (1.21–1.35)
70–79	1.31 (1.19–1.44)	1.55 (1.41–1.71)	1.45 (1.33–1.58)	1.31 (1.25–1.37)
≥ 80	1.17 (1.08–1.26)	1.34 (1.24–1.45)	1.29 (1.21–1.38)	1.20 (1.16–1.24)
Sex
Men	1.23 (1.15–1.31)	1.47 (1.38–1.56)	1.37 (1.29–1.45)	1.25 (1.22–1.29)
Women	1.20 (1.09–1.32)	1.31 (1.19–1.45)	1.33 (1.23–1.44)	1.23 (1.18–1.28)
Total	1.22 (1.15–1.28)	1.42 (1.34–1.49)	1.35 (1.29–1.42)	1.24 (1.21–1.27)

Relative risks (95% confidence intervals). AECOPD, acute exacerbation of chronic obstructive pulmonary disease.