Table 4.

The mortality rate of pythiosis is classified according to host types (i.e., humans and other animals) and clinical forms (i.e., vascular, ocular, cutaneous/subcutaneous, gastrointestinal, pulmonary, and disseminated infections).

Host Type and Clinical Form	Number of Pythiosis Cases with Clinical Outcome	Number of Mortal Cases	Mortality Rate (%)
1. Humans (overall)	397	51	12.8
1.1 Vascular pythiosis	153	41	26.8
1.2 Ocular pythiosis	220	-a	0.0
1.3 Cutaneous/subcutaneous pythiosis	15	2	13.3
1.4 Disseminated pythiosis	9	8	88.9
2. Animals (overall)	1100	369	33.5
2.1 Equines (horses, mules, and donkeys)	735	186	25.3
2.1.1 Cutaneous/subcutaneous pythiosis	713	167	23.4
2.1.2 Gastrointestinal pythiosis	4	2	50.0
2.1.3 Pulmonary pythiosis	2	2	100.0
2.1.4 Disseminated pythiosis	16	15	93.8
2.2 Dogs	155	130	83.9
2.2.1 Cutaneous/subcutaneous pythiosis	31	22	71.0
2.2.2 Gastrointestinal pythiosis	118	102	86.4
2.2.3 Pulmonary pythiosis	1	1	100.0
2.2.4 Prostatic pythiosis	1	1	100.0
2.2.5 Disseminated pythiosis	4	4	100.0
2.3 Sheep	53	38	71.7
2.3.1 Cutaneous/subcutaneous pythiosis	48	34	70.8
2.3.2 Gastrointestinal pythiosis	2	2	100.0
2.3.3 Disseminated pythiosis	3	2	66.7
2.4 Cats	12	7	58.3
2.4.1 Cutaneous/subcutaneous pythiosis	8	5	62.5
2.4.2 Gastrointestinal pythiosis	3	2	66.7
2.4.3 Disseminated pythiosis	1	-	0.0
2.5 Camels	4	3	75.0
2.5.1 Cutaneous/subcutaneous pythiosis	2	1	50.0
2.5.2 Gastrointestinal pythiosis	1	1	100.0
2.5.3 Disseminated pythiosis	1	1	100.0
2.6 Birds	2	1	50.0
2.6.1 Cutaneous/subcutaneous pythiosis	1	1	100.0
2.6.2 Gastrointestinal pythiosis	1	-	0.0
2.7 Cows (Cutaneous/subcutaneous pythiosis)	135	1	0.7
2.8 Goat (Cutaneous/subcutaneous pythiosis)	1	-	0.0
2.9 Shrimp (Exoskeleton infection)	1	1	100.0
2.10 Jaguar (Pulmonary pythiosis)	1	1	100.0
2.11 Tiger (Gastrointestinal pythiosis)	1	1	100.0
3. All humans and animals	1497	420	28.1

^a No mortal case is reported.