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Table 5 Breakdown of scabies cases by 2020 IACS Criteria

From: Estimation of scabies prevalence using simplified criteria and mapping procedures in three Pacific and southeast Asian countries

 

History Features

Examination Features

2020 IACS Criteria

Total Scabies

Subcategory

Itch

Positive Contact History

Typical Lesions

Typical Distribution

B3

C1

C2

n (%)

n (%)

n (%)

n (%)

n

n (%)

n (%)

n (%)

Country

 Solomon Islands

706 (89.8%)

662 (84.2%)

644 (81.9%)

785 (99.9%)

786

439 (55.9%)

204 (26.0%)

143 (18.2%)

 Fiji

454 (96.6%)

325 (69.1%)

423 (90.0%)

466 (99.1%)

470

258 (54.9%)

161 (34.3%)

51 (10.9%)

 Timor-Leste

310 (96.6%)

279 (86.9%)

236 (73.5%)

321 (100.0%)

321

183 (55.8%)

53 (16.5%)

85 (26.5%)

Sex

 Male

745 (92.7%)

645 (80.2%)

674 (83.8%)

802 (99.8%)

804

454 (56.5%)

218 (27.1%)

132 (16.4%)

 Female

725 (93.8%)

621 (80.3%)

629 (81.4%)

770 (99.6%)

773

426 (55.1%)

200 (25.9%)

147 (19.0%)

Age (years)

 0–1

110 (88.7%)

94 (75.8%)

115 (92.7%)

124 (100.0%)

124

71 (57.3%)

44 (35.5%)

9 (7.3%)

 2–4

205 (96.7%)

164 (77.4%)

186 (87.7%)

212 (100.0%)

212

131 (61.8%)

55 (25.9%)

26 (12.3%)

 5–9

423 (94.0%)

369 (82.0%)

381 (84.7%)

450 (100.0%)

450

273 (60.7%)

108 (24.0%)

69 (15.3%)

 10–14

307 (91.4%)

281 (83.6%)

271 (80.7%)

336 (100.0%)

336

187 (55.7%)

84 (25.0%)

65 (19.3%)

 15–29

167 (92.8%)

134 (74.4%)

142 (78.9%)

179 (99.4%)

180

82 (45.6%)

59 (32.8%)

39 (21.7%)

 30–49

146 (92.4%)

137 (86.7%)

121 (76.6%)

155 (98.1%)

158

85 (53.8%)

33 (20.9%)

40 (25.3%)

  ≥ 50

112 (95.7%)

87 (74.4%)

87 (74.4%)

116 (99.1%)

117

51 (43.6%)

35 (29.9%)

31 (26.5%)

Total

1470 (93.2%)

1266 (80.3%)

1303 (82.6%)

1572 (99.7%)

1577

880 (55.8%)

418 (26.5%)

279 (17.7%)