Table 3: ASO titration in relation to the positive cultures.

Exam Culture + (n = 16) Culture – (n = 164) p GAS + (n = 7) GAS – (n = 173) p
ASO
Average (±DP)
≥ 200 U/Todd		   337.5 (102.42)
8 (50%)		   93.90 (15.92)
38 (23.1%)		   0.0001
0.04		   657.1 (126.9)
7 (100%)		   93.64 (15.71)
39 (22.5%)		   0.0001
0.0001

* Student’s t-test and chi-squared test with Yates’ correction were applied.