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. 2018 May 9;11:3. doi: 10.1186/s13044-018-0047-8

Table 8.

Chi-square statistics of calculated sums of positive criteria – BN vs. PTC

BN vs. PTC BN PTC Χ2 p-value
≥1 criterion 120/142 (85%) 42/45 (93%) 2.29850 0.12950
≥2 criteria 78/142 (55%) 40/45 (89%) 16.92502 0.00004
≥3 criteria 36/142 (25%) 29/45 (64%) 23.02780 0.000002
≥4 criteria 10/142 (7%) 19/45 (42%) 32.27589 0.00000001
5 criteria 2/142 (1%) 4/45 (9%) 6.15697 0.01309