Table 3:

χ2 test between symptoms and different volume thresholds of IPH

χ2Contingency CoefficientP Value
IPH, 10 mm312.5270.243.001
IPH, 50 mm343.9130.424.001
IPH, 100 mm337.4780.397.001
IPH, 150 mm334.7630.385.001
IPH, 200 mm314.9350.264.001
IPH, 250 mm37.9440.195.048