Table 3. AST and ALT distributions by dengue phase and WHO 2009 classification.

	Phase of illness	Dengue	Dengue with warning signs	Severe dengue	P value
AST, U/L	Febrile phase (days 1–3)	56.5 (39–107)	68 (48–103)	106 (57.5–167)	0.004
	Critical phase (days 4–6)	93 (61–158)	108.5 (64–189.5)	143.5 (82–265)	0.004
	Convalescent phase (days 7–10)	196 (112–227)	278 (171–413)	255 (137–439)	0.56
ALT, U/L	Febrile phase (days 1–3)	31.5 (22–50)	45 (24–65)	56 (27.5–107.5)	0.02
	Critical phase (days 4–6)	54.5 (34.5–118.5)	60.5 (34.5–105)	72 (40–165)	0.05
	Convalescent phase (days 7–10)	130 (60–223)	215.5 (150.5–375)	131 (97–301)	0.22

AST = aspartate aminotransferase.

ALT = alanine aminotransferase.

U/L = units/liter.

All values are expressed as median (interquartile range).