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Table 3 Outcomes according to intervention in studies included in the meta-analysis

From: Doxycycline vs azithromycin in patients with scrub typhus: a systematic review of literature and meta-analysis

Author

Drug

Dosage

Duration (days)

Number of cases

Average TOD (hours)

Clinical failure (2-3 days)

Clinical failure (5 days)

Mortality (%)

Adverse drug effect

Varghese 2023 [18]

IV Doxy

200 mg BD on D1 f/b 100 mg BD

7

265

96*

33/254 (13%)

8/243 (3%)

29 (10.9%)

0b

IV Azithro

500 mg BD on D1 f/b 500 mg OD

7

263

96*

35/251 (14%)

16/225 (7%)

32 (12.2%)

0b

Guan-Xiu-Gang 2022 [19]

IV Doxy

100 mg BD

7

701

48*

NA

NA

30 (4.3%)

NA

IV Azithro

500 mg OD

6

79

48*

NA

NA

4 (5.1%)

NA

Hwang 2022 [20]

Oral Doxy

100 mg BD

8

217

72*

66/108 (61%)

NA

0 (0%)

NA

IV Azithro

500 mg OD

4

109

72*

64/109 (59%)

NA

1 (0.9%)

NA

Kabir 2022 [21]

Oral Doxy

2.2 mg/kg BD

5

58

25.8

2 (4%)

NA

NA

5 (9%)

Oral Azithro

10 mg/kg OD

5

56

24.5

1 (2%)

NA

NA

1 (2%)

Arun Babu 2021 [22]

Oral Doxy

2.2 mg/kg BD

7

344

44.6

49 (14%)

NA

NA

NA

Oral Azithro

10 mg/kg OD

7

316

49.9

76 (24%)

NA

NA

NA

Barnabas 2021 [23]

Oral Doxy

NA

7

46

30.5

11 (24%)

NA

1 (2.2%)

NA

Oral Azithro

NA

7

57

38.5

20 (35%)

NA

6 (10.5%)

NA

Veerappan 2021 [24]

Oral Doxy

2.2 mg/kg BD

NA

76

12*

6 (8%)

NA

NA

NA

Oral Azithro

10 mg/kg OD

NA

62

24*

16 (26%)

NA

NA

NA

Chanta 2015 [25]

Oral Doxy or chloramphenicol

d-2.2 mg /kg BD, c-25mg/kg QID

5

28 (d-9, c-19)

30*

4(14%)

NA

NA

0 (0%)

Oral Azithro

20 mg/kg on D1 f/b 10 mg/kg

3

29

36*

5 (17%)

NA

NA

1 (3%)

Phimda 2007 [26]

Oral Doxy

200 mg stat f/b 100 mg BD

7

27

48*

11 (41%)

0 (0%)

0 (0%)

27.6%a

Oral Azithro

1g stat f/b 500 mg OD

3

30

60*

21 (70%)

1 (3%)

0 (0%)

10.6%a

Kim 2004 [27]

Oral Doxy

100 mg BD

7

46

29*

13 (28%)

3 (7%)

0 (0%)

16 (35%)

Oral Azithro

500 mg stat

1

47

21*

7 (15%)

0 (0%)

0 (0%)

13 (28%)

  1. Abbreviation: Doxy or d Doxycycline, azithro Azithromycin, c Chloramphenicol, mg Milligrams, kg kilograms, D1 day 1, BD Twice daily, OD Once daily, f/b Followed by, iv Intravenous, TOD Mean time to defervescence (*Median), NA Data Not Available
  2. aAdverse events were reported in patients receiving doxycycline and azithromycin for scrub typhus or leptospirosis patients. Separate data on scrub typhus was not available
  3. bGrade 3 or higher treatment-related adverse events