Table 4. Segments, joinpoints, and trends in C-section rates in the Robson group 5 in Brazil and its regions, 2014-2022.

Brazil
Period	Segment 1			Period	Segment 2
	APC	95%CI	Trend		APC	95%CI	Trend
2014-2016	-0.93 *	-1.28; -0.27	Decreasing	2016-2022	0.19 *	0.06; 0.51	Increasing
North
Period	Segment 1			Period	Segment 2
	APC	95%CI	Trend		APC	95%CI	Trend
2014-2016	-1.75 *	-2.15; -1.109	Decreasing	2016-2022	0.65 *	0.51; 0.81	Increasing
Northeast
Period	Segment 1			Period	Segment 2
	APC	95%CI	Trend		APC	95%CI	Trend
2014-2016	-1.13 *	-1.63; -0.21	Decreasing	2016-2022	0.27 *	0.09; 0.83	Increasing
Southeast
Period	Segment 1			Period	Segment 2
	APC	95%CI	Trend		APC	95%CI	Trend
2014-2016	-0.94 *	-1.31; -0.32	Decreasing	2016-2022	0.01	-0.12; 0.39	Stationary
South
Period	Segment 1			Period	Segment 2
	APC	95%CI	Trend		APC	95%CI	Trend
2014-2016	-0.75	-1.36; 0.16	Stationary	2016-2022	0.30 *	0.01; 1.06	Increasing
Central-West
No segment formed

95%CI: 95% confidence interval; APC: annual percentage change;

Source: prepared by the authors.

* Significant trend.