Table 4 Predicted probability of coronary patency

Sum of points	Predicted probability of coronary patency	Sum of points	Predicted probability of coronary patency
0	0.15	25	0.42
8	0.22	26	0.44
9	0.22	27	0.44
10	0.24	28	0.47
12	0.26	29	0.47
16	0.31	30	0.49
17	0.31	31	0.49
18	0.33	35	0.56
19	0.33	37	0.59
20	0.35	38	0.61
21	0.36	39	0.61
22	0.38	47	0.71