Table 4.
Distribution of S. mansoni-related LIPs in 706 recruited participants according to gender, age group, and study area
| Variable | Total examined | LIP scores, n (%)* | P value | ||||
|---|---|---|---|---|---|---|---|
| LIPs A and B | LIP C | LIP D | LIP E | LIP F | |||
| Overall | 706 | 525 (74.2) | 91 (13.0) | 48 (6.8) | 33 (4.7) | 9 (1.3) | |
| Gender | |||||||
| Female | 437 | 315 (72.1) | 57 (13.0) | 33 (7.5) | 26 (6.0) | 6 (1.4) | |
| Male | 269 | 210 (78.1) | 34 (12.6) | 15 (5.6) | 7 (2.6) | 3 (1.1) | 0.210 |
| Age group (years) | |||||||
| 7–9 | 50 | 43 (86.0) | 7 (14.0) | 0 (0) | 0 (0) | 0 (0) | |
| 10–14 | 96 | 80 (83.4) | 14 (14.6) | 1 (1.0) | 1 (1.0) | 0 (0) | |
| 15–19 | 98 | 80 (81.6) | 16 (16.3) | 0 (0) | 2 (2.1) | 0 (0) | |
| 20–24 | 54 | 44 (81.6) | 4 (7.4) | 3 (5.5) | 3 (5.5) | 0 (0) | |
| 25–29 | 67 | 48 (71.6) | 8 (11.9) | 4 (6.0) | 6 (9.0) | 1 (1.5) | |
| 30–39 | 140 | 96 (68.6) | 17 (12.1) | 13 (9.3) | 11 (7.9) | 3 (2.1) | |
| 40+ | 201 | 134 (67.7) | 25 (12.4) | 27 (13.4) | 10 (5.0) | 5 (2.5) | < 0.001 |
| Study area | |||||||
| Luampa | 362 | 256 (70.7) | 50 (13.8) | 28 (7.7) | 22 (6.1) | 6 (1.7) | |
| Mangango | 81 | 65 (80.2) | 16 (19.8) | 0 (0) | 0 (0) | 0 (0) | |
| Mwandasengo | 105 | 89 (84.7) | 7 (6.7) | 7 (6.7) | 2 (1.9) | 0 (0) | |
| Namando | 158 | 115 (72.7) | 18 (11.4) | 13 (8.2) | 9 (5.7) | 3 (2) | 0.010 |
*
LIP scores denote the degree of fibrosis and are based on the Niamey image pattern scoring.15
A and B = normal liver texture; C–F = abnormal liver texture; E and F = advanced forms of fibrosis.