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Table 2 Frequency of Blastocystis infection among CP including CRC and COGT groups as well as NC group of investigated patients

From: Predominance and association risk of Blastocystis hominis subtype I in colorectal cancer: a case control study

Investigated groups (no.) Blastocystis infection
Positive cases
no. (%)
Negative cases
no. (%)
CP (138) CRC (74) 38 (27.5)a 22 (29.7)b 100 (72.5) 52 (70.3)
COGT (64) 16 (25) 48 (75)
NC (80) 12 (15) 68 (85)
Total (218) 50 (22.9) 168 (77.1)
  1. Cancer patients (CP); Colorectal cancer (CRC); COGT (Cancer outside gastrointestinal tract); Non cancer (NC)
  2. aBlastocystis infection in overall cancer group as compared to NC group (P = 0.044)
  3. bBlastocystis infection in CRC group as compared to NC group (P = 0.033)