Table 1.

Distribution of confirmed malaria cases, API, and microscopists/region (year 2011)

Region	Confirmed malaria cases	API	Microscopists
	(P. falciparum)		Registered	Participants
Total	4984 (76.3%)	5.71	290	50 (17.2%)
Northern region	200 (57.0%)	0.60*	115	28 (24.3%)
Puerto Princesa City	795 (71.2%)	3.84	30	0 (0%)
Southern region	3989 (78.3%)	12.1*	145	22 (15.2%)

API annual parasite index

*Chi-square test between the northern region and southern region (p < 0.0001)