Table 1 Main measures of microfilaraemia variability at 5-day, 1-month and 16-month intervals and variables of interest
5-Day interval (n = 99) | 1-Month interval (n = 98) | 16-Month interval (n = 259) | ||||
|---|---|---|---|---|---|---|
Absolute (mf/ml) | Relative (%) | Absolute (mf/ml) | Relative (%) | Absolute (mf/ml) | Relative (%) | |
Microfilaraemia difference | ||||||
Mean ± SD | − 1033 ± 5550 | + 12.6 ± 82.6 | − 1316 ± 5600 | − 8.1 ± 82.4 | − 1718 ± 9218 | + 42.5 ± 237.5 |
Median | − 160 | − 5.5 | − 170 | − 23.6 | − 600 | − 29.9 |
10th percentile | − 5960 | − 62.6 | − 6400 | − 70.1 | − 7260 | − 95.7 |
1st quartile | − 1400 | − 27.5 | − 2720 | − 48.8 | − 2980 | − 71.0 |
3rd quartile | + 540 | + 32.6 | + 100 | + 5.6 | + 760 | + 50.0 |
90th percentile | + 2600 | + 100 | + 4820 | + 81.9 | + 5620 | + 248 |
Minimum | − 26,040 | − 100 | − 31,820 | − 100 | − 36,100 | − 100 |
Maximum | + 18,220 | + 489 | + 10,200 | + 600 | + 18,220 | + 768 |
Time sampling differencea | ||||||
Minimum | − 111 min | − 79 min | − 325 min | |||
Maximum | + 61 min | + 70 min | + 225 min | |||
1st quartile | + 0 min | − 2 min | − 115 min | |||
3rd quartile | − 2 min | + 0 min | + 43 min | |||
Ambient temperature differencea | ||||||
Minimum | − 3.1 °C | − 1.3 °C | − 3.5 °C | |||
Maximum | + 2.9 °C | + 5.0 °C | + 5 °C | |||
1st quartile | − 3.1 °C | − 1.3 °C | − 0.3 °C | |||
3rd quartile | + 0 °C | + 0.5 °C | + 1.9 °C | |||