Table 6 Comparison of samples submitted for routine diagnostic testing and samples tested through the surveillance study

Samples per site

 Kalafong

1222 (93.2%)

311 (52.6%)

< 0.001

 Mapulaneng

68 (5.2%)

103 (17.4%)

 Matikwana

21 (1.6%)

177 (29.9%)

Age groups (years)^a

 < 1

161 (13.0%)

211 (35.7%)

< 0.001

 1–4

142 (11.5%)

183 (31.0%)

 5–17

69 (5.6%)

24 (4.1%)

 18–44

540 (43.6%)

98 (16.6%)

 45+

328 (26.5%)

75 (12.7%)

Gender

 Male

581 (44.7%)

298 (50.8%)

0.016

 Female

719 (55.3%)

289 (49.2%)

Samples with pathogen detected

179/1311 (13.7%)

433 (73.3%)

< 0.001

Virus detected

34/1311 (2.6%)

289 (48.9%)

< 0.001

 Adenovirus^b

10/206 (4.9%)

151 (25.6%)

< 0.001

 Rotavirus^b

29/220(13.2%)

92 (15.6%)

0.394

 Norovirus

NT

84 (14.2%)

–

 Astrovirus^b

2/40 (5.0%)

35 (5.9%)

0.814

 Sapovirus

NT

21 (3.6%)

–

Bacteria detected

105/1311 (8.0%)

237 (40.1%)

< 0.001

 Shigella spp.^b

10/1308 (0.8%)

134 (22.7%)

< 0.001

 Campylobacter^b

2/873 (0.2%)

70 (11.8%)

< 0.001

 Salmonella spp.^b

17/1309 (1.3%)

21 (3.6%)

0.001

 EHEC^b,c

0/677 (0.0%)

9 (1.5%)

0.001

 C. difficile

76/375 (20.3%)

34 (5.8%)

< 0.001

 EPEC^b

0/64 (0.0%)

NT

–

 Vibrio spp.^b

0/90 (0.0%)

NT

–

 Vibrio cholerae^b

0/93 (0.0%)

NT

–

Parasites detected

47/1311 (3.6%)

96 (16.2%)

< 0.001

 Cryptosporidium spp.^b

36/1210 (3.0%)

78 (13.2%)

< 0.001

 Giardia lamblia^b

0/1210 (0.0%)

22 (3.7%)

< 0.001

 Cystoisosopora belli^b

8/1210 (0.7%)

NT

–

 Other^b,d

3/1210 (0.2%)

–