Table 5 Univariable association between the duration of the initial treatment course and survival of the koalas for chloramphenicol, doxycycline, and mixed/other treatments using Fisher’s exact test.

From: A retrospective study on antibacterial treatments for koalas infected with Chlamydia pecorum

Treatment

Duration (days)

Median duration (range)

Survived (%)

Died (%)

Odds ratio (95% CI)

p value

Chloramphenicol

 < 28 1

14 (14–25)

4 (7.0)

4 (7.0)

1.00

0.02

 ≥ 28

28 (28–45)

44 (77.2)

5 (8.8)

8.8 (1.67, 46.57)

Total

 

48 (84.2)

9 (15.8)

  

Doxycycline

 < 28 1

21 (4–21)

23 (41.1)

3 (5.4)

1.00

1.00

 ≥ 28

28 (28–42)

26 (46.4)

4 (7.1)

0.85 (0.17, 4.19)

Total

 

49 (87.5)

7 (12.5)

  

Mixed/other

 < 28 1

14 (3–24)

3 (37.5)

0 (0)

1.00

0.30

 ≥ 28

34 (30–42)

2 (25.0)

3 (37.5)

0.19 (0.01, 2.66)

Total

 

5 (62.5)

3 (37.5)

  
  1. CI = confidence interval. Koalas with unknown antibacterials, treatment duration, and/or outcomes were excluded from this table. 1 = reference category.
  2. Significant value is in [bold].