TABLE 1.

Cut-off point of MPO by X-tile method.

Group	Range (ng/mL)	Patient	Percent (%)	Event
Low	6.89–49.17	129	47.6	9
Medium	49.17–85.47	86	31.73	12
High	85.47–241.45	56	20.66	15
Total	6.89–241.45	271	100	36