Table 2. Hospital presentation and course in individuals presenting with and without severe dehydration.

				Dehydration Status
			All Patients	None/Mild	Severe
			N = 55,956	N = 42499	N = 13457	OR	p
Hospital Presentation
Hours of diarrhoea prior to admission; median (IQR)			27 (12–56)	34 (16–67)	13 (8–24)	0.97	<0.0001
Number of loose stools in 24 hours; N (%)
	3–5		4881 (9)	4072 (10)	809 (6)	ref	<0.0001
	6–10		23634 (42)	19538 (46)	4096 (30)	1.06	0.202
	11–15		15615 (28)	11081 (26)	4534 (34)	2.06	<0.0001
	16–20		6461 (12)	4324 (10)	2137 (16)	2.49	<0.0001
	>20		5364 (10)	3483 (8)	1881 (14)	2.72	<0.0001
History of; N (%)
	Watery stool		52432 (94)	39047 (92)	13385 (99)	16.43	<0.0001
	Bloody stool		1687 (3)	1639 (4)	48 (0.4)	0.09	<0.0001
	Vomiting		44445 (79)	31660 (74)	12785 (95)	6.51	<0.0001
	Use of oral rehydration solution (ORS)		50603 (90)	38320 (90)	12283 (91)	1.14	<0.0001
	Use of IV fluid		3027 (5)	1522 (4)	1505 (11)	3.39	<0.0001
	Use of antibiotics		12793/34566 (37)	11067/26696 (41)	1726/7870 (22)	0.40	<0.0001
Measurements (6 months to 5 years); N (%)
	Mid-upper Arm Circumference (<115mm)		2366/22400 (12)	2204/21150 (10)	162/1250 (13)	1.28	0.005
Hospital course
	Initial rehydration with IV fluids; N (%)		16440 (29)	3474 (8)	12966 (97)	318.95	<0.0001
	Duration of admission in hours; median (IQR)		14 (5–27)	12 (4–27)	18 (9–28)	1.00	<0.0001
	Mortality; n (%)		148 (0.26)	107 (0.25)	41 (0.30)	1.21	0.340
		Age <5	113/28828 (0.39)	90/27175 (0.33)	23/1653 (1.39)	4.25	<0.0001
		Age ≥5	35/27073 (0.13)	17/15278 (0.11)	18/11795 (0.15)	1.37	0.350

IQR-Interquartile range. OR-Odds ratio. ref-Reference. See methods for definition of dehydration status.