Table 1.
Occurrence of Cryptosporidium oocyst and Giardia cyst in water samples collected from recreational lakesa.
| Sampling sites | No. of sample | Cryptosporidium (no. of oocysts/10 L) | Giardia (no. of cysts/10 L) | ||||||
|---|---|---|---|---|---|---|---|---|---|
| No. of positive (%) | Mean ± SD | Min. − Max. | 95% UCL | No. of positive (%) | Mean ± SD | Min. − Max. | 95% UCL | ||
| 1# | 13 | 12 (92.3%) | 3.54 ± 2.85 | (0–8) | 5.08 | 13 (100%) | 14.54 ± 7.57 | (3–24) | 18.57 |
| 2# | 13 | 11 (84.6%) | 3.85 ± 4.20 | (0–15) | 6.36 | 13 (100%) | 12.23 ± 10.26 | (3–43) | 18.60 |
| 3# | 13 | 11 (84.6%) | 3.46 ± 3.64 | (0–12) | 5.56 | 13 (100%) | 12.38 ± 8.82 | (2–30) | 17.25 |
| 4# | 13 | 9 (69.2%) | 3.77 ± 3.77 | (0–12) | 5.90 | 12 (92.3%) | 11.15 ± 7.01 | (0–27) | 15.10 |
| Total | 52 | 43 (82.7%) | 3.65 ± 3.54 | (0–15) | 4.63 | 51 (98.1%) | 12.58 ± 8.35 | (0–43) | 14.90 |
aSD, standard deviation; UCL, upper confidence limit which was calculated based on 10,000 bootstrap samples using PASW statistics 18 software.