Table 4. The relationship between the Wells’ Criteria s and Revised Geneva Score, and the probability of PTE in pregnant women .

Wells’ Criteria	CT Positive (N)	CT Negative (N)	Total (N)
Low	0	13	13
Moderate	4	14	18
High	0	0	0
Total	4	27	31
Revised Geneva Score
Low	1	17	18
Moderate	3	10	13
High	0	0	0
Total	4	27	31