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. 2014 Aug 29;9(8):e106102. doi: 10.1371/journal.pone.0106102

Table 3. The number of case identified or not identified as C. difficile infection.

Idetntified as C. difficile infection Not idetntified as C. difficile infection Total
tcdA+, tcdB+ 20a 10 30
tcdA-, tcdB- 1 38 39
a

The 20 cases included 10 cases that were toxin-positive by the EIA (Table 1).