Table 4 Diagnosis of S. mekongi infection using serum and urine samples (n = 377)
Type of sample/method | Overall (%) | Cambodia (%) | Lao PDR (%) | χ2 | P-value |
|---|---|---|---|---|---|
Urine | |||||
POC-CCA | |||||
Negative | 174 (46.2) | 97 (49.5) | 77 (42.5) | ||
Trace | 124 (32.9) | 63 (32.1) | 61 (33.7) | ||
Positive | 79 (21.0) | 36 (18.4) | 43 (23.8) | 2.4 | 0.308 |
UCAA | |||||
Negative | 206 (54.6) | 110 (56.1) | 96 (53.0) | ||
Indecisive range | 25 (6.6) | 17 (8.7) | 8 (4.4) | ||
Positive | 146 (38.7) | 69 (35.2) | 77 (42.5) | 4.0 | 0.133 |
Serum | |||||
SCAA | |||||
Negative | 240 (63.7) | 133 (67.9) | 107 (59.1) | ||
Indecisive range | 15 (4.0) | 12 (6.1) | 3 (1.7) | ||
Positive | 122 (32.4) | 51 (26.0) | 71 (39.2) | 10.9 | 0.004 |
ELISA combineda | |||||
Negative | 115 (30.5) | 76 (38.8) | 39 (21.6) | ||
Equivocal | 132 (35.0) | 68 (34.7) | 64 (35.4) | ||
Positive | 130 (34.5) | 52 (26.5) | 78 (43.1) | 16.7 | <0.001 |
Combined Referenceb | |||||
Negative | 203 (53.8) | 121 (61.7) | 82 (45.3) | ||
Positive | 174 (46.2) | 75 (38.3) | 99 (54.7) | 10.2 | 0.001 |