Table 3.
Pairwise comparison of Jost's D differentiation index for Schistosoma mansoni, Brazil*
| Location | Cercariae from field collections | Eggs in human infections | Laboratory life cycle of worms | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Dique do Cabrito | Itacaranhas | Rio do Cobre | Pituaçú | São Bartolomeu† | MA1 | MA3 | MA6 | Feira de Santana | CWRU | |
| Dique do Cabrito | – | 0.61 (0.60–0.63) | 0.50 (0.50–0.51) | 0.37 (0.36–0.37) | 0.34 (0.33–0.35) | 0.31 (0.31–0.32) | 0.37 (0.36–0.37) | 0.34 (0.34–0.34) | 0.02 (0.01–0.02) | 0.45 (0.44–0.46) |
| Itacaranhas | – | 0.52 (0.50–0.54) | 0.31 (0.28–0.33) | 0.35 (0.33–0.37) | 0.36 (0.35–0.38) | 0.33 (0.31–0.35) | 0.34 (0.32–0.36) | 0.60 (0.59–0.62) | 0.50 (0.47–0.52) | |
| Rio do Cobre | – | 0.30 (0.30–0.31) | 0.26 (0.25–0.26) | 0.26 (0.26–0.27) | 0.28 (0.27–0.28) | 0.25 (0.25–0.25) | 0.51 (0.51–0.51) | 0.36 (0.35–0.37) | ||
| Pituaçú | – | 0.16 (0.15–0.17) | 0.18 (0.17–0.18) | 0.17 (0.17–0.18) | 0.17 (0.17–0.18) | 0.37 (0.37–0.38) | 0.31 (0.30–0.32) | |||
| São Bartolomeu | – | 0.02 (0.02–0.02) | 0.03 (0.02–0.03) | 0.01 (0.01–0.01) | 0.33 (0.32–0.34) | 0.22 (0.21–0.23) | ||||
| MA1 | – | 0.02 (0.02–0.03) | 0.01 (0.01–0.01) | 0.30 (0.30–0.30) | 0.22 (0.21–0.22) | |||||
| MA3 | – | 0.02 (0.02–0.02) | 0.36 (0.35–0.36) | 0.23 (0.23–0.24) | ||||||
| MA6 | – | 0.33 (0.33–0.33) | 0.23 (0.22–0.24) | |||||||
| Feira de Santana | – | 0.44 (0.43–0.44) | ||||||||
| CWRU | – | |||||||||
*
Values in parentheses are 95% confidence intervals. Values in bold are statistically significant. CWRU = Case Western Reserve University.
†
Stools aggregated from 8 children in São Bartolomeu in 2004. MA1, 2, and 3 were component populations composed of genotyped infrapopulations from 12 persons. Markers SMMS 2, 3, and 17 were excluded from comparison for Itacaranhas because of poor amplification.