Table 2.

The slope differences between different time periods of each influenza season.

Yearly difference by linear trend estimation (p value)	Severe influenza		Streptococcus pneumoniae		Weekly death toll from pneumonia
	Before peak	After peak	Before peak	After peak	Before peak	After peak
2016/2017 vs. 2017/2018
Slope difference (95% C.I.)	−2.61 (−5.73, 0.51)	1.53 (−0.25, 3.32)	0.36 (−1.61, 2.33)	−0.35 (−1.04, 0.34)	0.68 (−11.98, 13.34)	−1.60 (−8.02, 4.82)
p-value	0.092	0.090	0.695	0.304	0.907	0.615
2017/2018 vs. 2018/2019
Slope difference (95% C.I.)	−1.21 (−3.33, 0.90)	1.19 (−2.83, 2.01)	−0.75 (−2.07, 0.57)	0.43 (−0.25, 1.10)	12.00 (−1.75, 25.75)	1.22 (−7.35, 4.92)
p-value	0.230	0.732	0.235	0.207	0.080	0.688
2018/2019 vs. 2019/2020
Slope difference (95% C.I.)	1.96 (−4.49, 0.56)	1.22 (2.80, 7.79)	−0.00 (−1.35, 1.35)	0.67 (0.24, 1.10)	−13.89 (−29.27, 1.49)	7.53 (1.91, 13.14)
p-value	0.114	0.0001	0.999	0.003	0.072	0.010