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Table 1

Ultrasound lesion findings in patients with (Sh+) and without (Sh−) S. haematobium infection. The measurements in mm are the size of bladder wall thickening.

Observed morbidity Examined (n = 146) Sh+ (n = 69) Sh− (n = 77)
Disease detected on ultrasound 21.23% (31) 36.23% (25) 7.80% (06) p < 0.0001
Bladder disease
 Abnormal shape 4.79% (07) 2.90% (02) 6.49% (05) NS
 Irregular shape 5.48% (08) 5.80% (04) 5.19% (04) NS
 Thickening 14.38% (21) 28.99% (20) 1.30% (01) p < 0.0001
 Weights 0.68% (01) 0% (00) 1.30% (01) NA
 Pseudopolyp 0.68% (01) 1.45% (01) 0% (00) NA
Upper urinary tract disease
 Hydroureter 2.05% (03) 4.35% (03) 0% (00) NS
 Hydronephrosis  2.74% (04) 5.80% (04) 0% (00) NS
Assessment of bladder wall thickening
 Normal wall (< 5 mm = Grade 0) 84.93% (124) 71.01% (49) 97.40% (75) p < 0.0001
 Mild thickening (5–7 mm = Grade 1) 7.53% (11) 14.49% (10) 1.30% (01) p = 0.003
 Moderate thickening (8–9 mm = Grade 2) 6.16% (9) 13.04% (9) 00% (00) p = 0.0009
 Severe thickening (≥10 mm = Grade 3) 1.37% (2) 1.45% (1) 1.30% (01) NS

NS = not significant; n = sample number; NA = not applicable.

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