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Table 1 Studies included in the present review

From: Efficacy and safety of antibiotics for treatment of leptospirosis: a systematic review and network meta-analysis

Study ID

Study types

Diagnostic methods

Therapy duration

Treatment groups

Patients

Source of infection

Gender

Age

Type of leptospirosis

Total number

Doherty RL [25] (1954)

RS

MAT

Unclear

Penicillin low dosage, 100,000 units/3 h; high dosage, 500,000 units/3 h vs. chloramphenicol vs. no antibiotic

Australia

Male and female

Children and adults

Unclear

111

Fairburn AC [26] (1956)

CT

MAT

At least 5 days

Penicillin 600,000 units/6 h vs. chloramphenicol 0.5 g/6 h vs. no antibiotics

Malaya

Male

Adults

Unclear

83

Russell RW [27] (1958)

RCT

Blood culture or serological tests

At least 5 days

Oxytetracycline 1.5 g followed by 0.5 g/6 h vs. placebo

Malaysia

Male and female

Adults

Unclear

52

McClain JB [28] (1984)

RCT

MAT, Leptospira cultures

7 days

Doxycycline 100 mg/12 h vs. placebo

Panama

Unclear

Unclear

Unclear

29

Watt G (1988) [29]

RCT

MAT

7 days

Penicillin 1.5 million units/6 h vs. placebo

Philippines

Male and female

Children and adults

Late

42

Edwards CN [30] (1988)

RCT

MAT, ELISA, or Leptospira cultures

5 days

Penicillin 2 million units/6 h vs. placebo

West Indies

Unclear

Unclear

Icteric

79

Marotto PC [31] (1997)

RS

MAT, plasma specific, PCR

Unclear

Penicillin 100,000 units/kg of body weight/day or ampicillin 100 mg/kg of body weight/day vs. untreated

Brazil

Male and female

Children

ARF and icteric

43

Daher EF (2000) [32]

RCT

ELISA

8 days

Penicillin 6 million units/day vs. no antibiotic

Brazil

Male and female

Adults

ARF and icteric

35

Costa E (2003) [33]

RCT

The macroscopic slide test, MAT, blood culture, epidemiological findings

7 days

Penicillin 6 million units/day (1 million units/4 h) vs. no antibiotic

Brazil

Male and female

Children and adults

Late

253

Panaphut T (2003) [34]

RCT

Serologically proven IgM specific

7 days

Ceftriaxone 1 g/day vs. penicillin 1.5 million units/6 h

Thailand

Male and female

Children and adults

Severe

173

Suputtamongkol Y (2004) [35]

RCT

MAT, IFAT, MCAT

7 days

Penicillin 1.5 million units/6 h vs. cefotaxime 1 g/6 h vs. doxycycline 200 mg first dose followed by 100 mg/12 h

Thailand

Male and female

Children and adults

Severe

256

Phimda K (2007) [36]

RCT

MAT

7 days/2 days

Doxycycline 200 mg the first dose followed by 100 mg/12 h vs. azithromycin 1 g initially followed by 500 mg/day

Thailand

Male and female

Children and adults

Late

80

Daher EF (2012) [37]

RS

MAT

Unclear

Penicillin 6 million units/day vs. placebo

Brazil

Male and female

Unclear

ARF

287

  1. RCT randomized controlled trial, CT controlled trial, RS retrospective study, MAT microscopic agglutination test, ELISA enzyme-linked immunosorbent assay, PCR polymerase chain reaction, IFAT immunofluorescent antibody test, ARF acute renal failure