Table 3

Clinical features on admission in confirmed leptospirosis and leptospirosis negative cases in the study

Confirmed leptospirosis (n = 18)Leptospirosis negative (n = 35)Odds ratio95% CIp value*
2 test; p<0.05 significant.
Mean age at presentation (y) (range)7.8 (3–12)6.7 (2–11)
(%) above 5 years15/18 (83.3)26/35 (74.3)
Flood water contact +ve18/18 (100.0)16/35 (45.7)<0.0001
Mean duration of fever (days) (range)6.8 (3–12)6.3 (3–15)
Chills8/18 (44.4)15/35 (42.8)0.90.3–2.90.912
Generalised myalgia11/18 (61.1)16/35 (45.7)0.50.2–1.70.288
Conjunctival suffusion5/18 (27.8)1/35 (2.8)0.10.01–0.70.007
Headache9/18 (50.0)17/35 (48.6)0.90.3–2.90.922
Abdominal pain9/18 (50.0)5/35 (14.3)0.20.04–0.60.005
Diarrhoea4/18 (22.2)5/35 (14.3)0.60.1–2.50.466
Vomiting7/18 (38.9)18/35 (51.4)1.70.5–5.30.386
Cough2/18 (11.1)12/35 (34.3)4.20.8–21.20.070
Hepatosplenomegaly10/18 (55.6)17/35 (48.6)0.70.2–2.40.630
Lymphadenopathy1/18 (5.6)5/35 (14.3)2.80.3–26.30.342
Meningismus2/18 (11.1)5/35 (14.3)1.30.2–7.70.746
Skin rash5/18 (27.8)1/35 (2.9)0.10.01–0.70.007
Icterus0/18 (0.0)2/35 (5.7)0.301
Reduced level of consciousness1/18 (5.6)3/35 (8.6)1.60.15–16.50.694