Table 2 Infection, dissemination, transmission and mortality parameters and (95% CI) with lower and upper confidence intervals
From: Vector competence of Anopheles stephensi for O’nyong-nyong virus: a risk for global virus spread
Measure | 7 dpi | 14 dpi | 21 dpi | 28 dpi | Probability | |||||
|---|---|---|---|---|---|---|---|---|---|---|
Value (95% LCI-UCL) | N | Value (95% LCI-UCL) | N | Value (95% LCI-UCL) | N | Value (95% LCI-UCL) | N | χ2 | P. value | |
Mortality rate | 24.24 (11.09–42.26) | 33 | 12.12 (3.40–28.20) | 33 | 15.15 (5.11–31.90) | 33 | 57.58 (39.21–74.52) | 33 | 21.69 | 0.0005 |
Infection rate | 100.0 (86.28–100.0) | 25 | 79.31 (60.28–92.01) | 29 | 78.57 (59.05–91.70) | 28 | 100.0 (76.84–100.0) | 14 | 8.34 | 0.0305 |
Dissemination rate | 76.00 (54.87–90.64) | 25 | 13.04 (2.78–33.59) | 23 | 27.27 (10.73–50.22) | 22 | 57.14 (28.86–82.34) | 14 | 22.9 | 0.0005 |
Dissemination efficiency | 76.00 (54.87–90.64) | 25 | 13.79 (3.89–31.66) | 29 | 25.00 (10.69–44.87) | 28 | 57.14 (28.86–82.34) | 14 | 26.22 | 0.0005 |
Transmission rate | 78.95 (54.43–93.95) | 19 | 50.00 (6.76–93.24) | 4 | 57.14 (18.41–90.10) | 7 | 75.00 (34.91–96.81) | 8 | 2.16 | 0.5742 |
Transmission efficiency | 72.00 (50.61–87.93) | 25 | 65.52 (45.67–82.06) | 29 | 75.00 (55.13–89.31) | 28 | 85.71 (57.19–98.22) | 14 | 2.04 | 0.5957 |