Table 4.

Mean absolute error (MAE) and mean absolute percentage error (MAPE).

City		Respiratory failure	Pneumonia	SARSa	Other causes
Belém
	MAE	1.61	2.64	0.40	5.15
	MAPE	9.6	11.6	33.5	8.3
Fortaleza
	MAE	1.81	2.34	0.57	6.59
	MAPE	11.4	2.6	37.0	10.1
Manaus
	MAE	0.75	1.88	0.34	4.47
	MAPE	14.0	10.0	28.4	8.3
Recife
	MAE	1.91	2.34	0.59	7.45
	MAPE	12.3	7.8	40.0	6.0
Rio de Janeiro
	MAE	2.77	4.99	0.50	13.38
	MAPE	6.7	6.8	25.8	5.2
São Paulo
	MAE	3.34	7.78	0.96	12.27
	MAPE	2.4	3.1	36.4	2.3

^aSARS: severe acute respiratory syndrome.