Table 1 Characteristics of study population with results from CCA tests and Kato-Katz microscopy
No. participants | Schistosoma mansoni CCA results | Schistosoma mansoni Kato-Katz results | Ascaris lumbricoides Kato-Katz results | Trichuris trichiura Kato-Katz results | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
CCA + | % (95% CI) | P | K-K + | % (95% CI) | P | Light (%) | Moderate (%) | Heavy (%) | Mean epg | Any STH (%) | Ascaris K-K + (%) | P | Light (%) | (Moderate (%) | Heavy (%) | Mean epg | Trichuris K-K + (%) | P | Light (%) | (Moderate (%) | Heavy (%) | Mean epg | ||
Overall prevalence | 89 | 58/86 | 67.4 (56.5–77.2) | 28/80 | 35.0 (24.7–46.5) | 22/28 (78.6) | 5/28 (17.9) | 1/28 (3.6) | 74.6 | 34/80 (42.5) | 15/80 (18.8) | 11/15 (73.3) | 4/15 (26.7) | 0/15 (0.0) | 4202.4 | 27/80 (33.8) | 27/27 (100.0) | 0/27 (0.0) | 0/27 (0.0) | 126.7 | ||||
Age, years | ||||||||||||||||||||||||
2 | 23 | 17/22 | 77.3 (54.6–92.2) | 7/21 | 33.3 (14.6–57.0) | 5/7 (71.4) | 1/7 (14.3) | 1/7 (14.3) | 101.1 | 8/21 (38.1) | 4/21 (19.1) | 3/4 (75.0) | 1/4 (25.0) | 0/4 (0.0) | 4026.0 | 7/21 (33.3) | 7/7 (100.0) | 0/7 (0.0) | 0/7 (0.0) | 78.9 | ||||
3 | 38 | 24/37 | 64.8 (47.5–79.8) | 7/34 | 20.6 (8.7–37.90 | 5/7 (71.4) | 2/7 (28.6) | 0/7 (0.0) | 56.6 | 16/34 (47.1) | 7/34 (20.6) | 5/7 (71.4) | 2/7 (28.6) | 0/7 (0.0) | 3524.6 | 12/34 (35.3) | 12/12 (100.0) | 0/12 (0.0) | 0/12 (0.0) | 116.0 | ||||
4 | 28 | 17/27 | 63.0 (42.4–80.6) | 0.52b | 14/25 | 56.0 (34.9–75.6) | 0.02b | 12/14 (85.7) | 2/14 (14.3) | 0/14 (0.0) | 70.3 | 10/25 (40.0) | 4/25 (16.0) | 0.78b | 3/4 (75.0) | 1/4 (25.0) | 0/4 (0.0) | 5565.0 | 8/25 (32.0) | 0.94b | 8/8 (100.0) | 0/8 (0.0) | 0/8 (0.0) | 184.5 |
Gender | ||||||||||||||||||||||||
Female | 44 | 29/43 | 67.4 (51.5–80.9) | 17/42 | 40.5 (25.6–56.7) | 14/17 (82.4) | 2/17 (11.8) | 1/17 (5.9) | 62.8 | 18/42 (42.9) | 10/42 (23.8) | 9/10 (90.0) | 1/10 (10.0) | 0/10 (0.0) | 3639.6 | 14/42 (33.3) | 14/14 (100.0) | 0/14 (0.0) | 0/14 (0.0) | 140.6 | ||||
Male | 45 | 29/43 | 67.4 (51.5–80.9) | 1.0a | 11/38 | 28.9 (15.4–45.9) | 0.28a | 8/11 (72.7) | 3/11 (27.3) | 0/11 (0.0) | 92.7 | 16/38 (42.1) | 5/38 (13.2) | 0.23a | 2/5 (40.0) | 3/5 (60.0) | 0/5 (0.0) | 5328.0 | 13/38 (34.2) | 0.93a | 13/13 (100.0) | 0/13 (0.0) | 0/13(0.0) | 111.7 |
Location | ||||||||||||||||||||||||
Marolambo | 15 | 11/15 | 73.3 (44.9–92.2) | 6/15 | 40.0 (16.3–67.7) | 6/6 (100.0) | 0/6 (0.0) | 0/6 (0.0) | 34.0 | 5/15 (33.3) | 2/15 (13.3) | 2/2 (100.0) | 0/2 (0.0) | 0/2 (0.0) | 2454.0 | 4/14 (26.7) | 4/4 (100.0) | 0/4 (0.0) | 0/4 (0.0) | 81.0 | ||||
Ampasimbola | 15 | 12/13 | 92.3 (64.0–99.8) | 5/13 | 38.4 (13.9–68.4) | 3/5 (60.0) | 2/5 (40.0) | 0/5 (0.0) | 108.0 | 9/13 (69.2) | 2/13 (15.4) | 2/2 (100.0) | 0/2 (0.0) | 0/2 (0.0) | 1578.0 | 8/13 (61.5) | 8/8 (100.0) | 0/8 (0.0) | 0/8 (0.0) | 231.0 | ||||
Ambohitelo | 15 | 10/14 | 71.4 (41.9–91.6) | 3/14 | 21.4 (4.7–50.8) | 2/3 (66.7) | 0/3 (0.0) | 1/3 (33.3) | 148.0 | 6/14 (42.9) | 5/14 (35.7) | 4/5 (80.0) | 1/5 (20.0) | 0/5 (0.0) | 5260.8 | 5/14 (35.7) | 5/5 (100.0) | 0/5 (0.0) | 0/5 (0.0) | 105.6 | ||||
Marofatsy | 15 | 10/15 | 66.7 (38.4–88.2) | 2/11 | 18.2 (2.3–51.8) | 2/2 (100.0) | 0/2 (0.0) | 0/2 (0.0) | 72.0 | 5/11 (45.5) | 3/11 (27.3) | 1/3 (33.3) | 2/3 (66.7) | 0/3 (0.0) | 6600.0 | 3/11 (27.3) | 3/3 (100.0) | 0/3 (0.0) | 0/3 (0.0) | 44.0 | ||||
Vohidamba | 15 | 6/15 | 40.0 (16.3–67.7) | 6/15 | 40.0 (16.3–67.7) | 5/6 (83.3) | 1/6 (16.7) | 0/6 (0.0) | 42.0 | 2/15 (13.3) | 1/15 (6.7) | 1/15 (6.67) | 0/15 (0.0) | 0/15 (0.0) | 12.0 | 1/15 (6.7) | 1/1 (100.0) | 0/1 (0.0) | 0/1 (0.0) | 12.0 | ||||
Betampona | 14 | 9/14 | 64.3 (35.1–87.2) | 0.10b | 6/12 | 50.0 (21.1–78.9) | 0.55b | 4/6 (66.7) | 2/6 (33.3) | 0/6 (0.0) | 84.0 | 7/12 (58.3) | 2/12 (16.7) | 0.84b | 1/2 (50.0) | 1/2 (50.0) | 0/2 (0.0) | 4428.0 | 6/12 (50.0) | 0.54b | 6/6 (100.0) | 0/6 (0.0) | 0/6 (0.0) | 96.0 |