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Table 5 Statistic comparison of traditional method and WSEA on human feces samples

From: Optimization of an efficient solid-phase enrichment medium for Salmonella detection using response surface methodology

WCDC group

# of samples

Traditional method

Whole-sample solid-phase enrichment assay (WSEA)

Positive # (rate)

Positive #/rate

18 h

21 h

24 h

Dark spots # (rate)

Positive # (proportion)

Dark spots # (rate)

Positive # (proportion)

Dark spots # (rate)

Positive # (proportion)

1

1502

6 (0.40%)

31 (2.06%)

242 (16.11%)

16 (51.61%)

525 (34.95%)

12 (38.71%)

989 (65.85%)

3 (9.68%)

2

1284

5 (0.39%)

36 (2.8%)

179 (13.94%)

19 (52.78%)

432 (33.64%)

14 (38.89%)

871 (67.83%)

3 (8.33%)

3

1220

6 (0.49%)

18 (1.48%)

123 (10.08%)

9 (50%)

354 (29.02%)

7 (38.89%)

782 (64.10%)

2 (11.11%)

TOTAL

4006

17 (0.42%)

85 (2.12%)

544 (13.58%)

43 (50.59%)

1311 (32.73%)

33 (38.82%)

2642 (65.95%)

8 (9.41%)