Table 3 Median microfilarial density (MFD), and median relative difference in MFD between DX (X = 3, 5, 7, 15, or 30) and D1 (pre-treatment) by arm (intention-to-treat analysis)

From: Safety and efficacy of 3- and 5-day regimens of levamisole in loiasis: a randomized, placebo-controlled, double-blind clinical trial

 

Arms

P

 

Median and Interquartile Ranges (IQR) of L. loa MFD (mf/mL)

Day

PLA (N = 30)

LEV-3 (N = 33)

LEV-5 (N = 28)

a

b

c

d

D1

13,475 (7780; 23,805)

12,775 (5695; 24,675)

11,817 (6882; 24,635)

0.613

0.549

0.422

0.474

D3

12,737 (8098; 35,570)

7430 (3290; 12,990)

6,942 (3982; 13,905)

0.004

0.004

0.007

0.412

D5

15,195 (7500; 24,725)

9555 (3745; 13,670)

5,227 (2527; 10,555)

0.001

0.009

<0.001

0.145

D7

15,187 (9567; 30,832)

9940 (3855; 12,645)

5,902 (1985; 17,520)

0.009

0.021

0.006

0.207

D15

13,315 (8020; 32,215)

10,515 (5315; 19,030)

7,927 (5127; 16,935)

0.050

0.072

0.029

0.265

D30

13,802 (7065; 37,390)

13,600 (6030; 20,555)

7,287 (5272; 15,102)

0.073

0.131

0.033

0.215

 

Median and IQR of the reduction of L. loa MFD compared to the pre-treatment result (%)

Day

PLA (N = 30)

LEV-3 (N = 33)

LEV-5 (N = 28)

a

b

c

d

D3

0.4 (−9.4; 19.3)

35.8 (19.1; 52.8)

34.4 (23.3; 48.3)

<0.001

<0.001

<0.001

0.496

D5

−1.6 (−18.5; 16.7)

29.3 (11.7; 58.1)

51.4 (20.0; 63.5)

<0.001

<0.001

<0.001

0.048

D7

8.2 (−13.2; 19.0)

24.3 (12.1; 51.0)

34.4 (25.5; 62.9)

<0.001

0.004

<0.001

0.035

D15

−10.1 (−35.8; 14.9)

16.0 (−26.2; 38.3)

15.4 (5.4; 41.0)

0.009

0.039

0.004

0.149

D30

−1.3 (−34.7; 20.9)

2.0 (−20; 35.7)

17.7 (0.5; 45.9)

0.040

0.149

0.017

0.119

  1. Kruskal-Wallis non-parametric test: (a) between the three arms; (b, c and d) post hoc analyses with Dunn’s pairwise test using a Holm correction for multiple tests: (b) between LEV-3 and PLA arms, (c) between LEV-5 and PLA arms, and (d) between LEV-5 and LEV-3 arms.