Table 4. Hazard ratio between the nadir CA-125 and survival.

Author, Year	N	Country	cutoff (u/ml)	HR,OS	HR,PFS
Markman,2006	384	USA	<10,	N/A	reference
			11-20,	N/A	1.51(0.002)
			21-35	N/A	2.32(0.001)
Juretzka,2007	241	USA	12	1/1.41(1.044-1.904)	N/A
Prat,2008	96	Spain	10	6.0(0.0002)	2.15(0.0081)
Park,2011	267	Korea	<12	reference	N/A
			12-18	1/1.68(1.11-2.56)	N/A
			18-35	1/2.85(1.70-4.76)	N/A
Altena,2010	331	Netherlands	5	1.62 (95% CI, 1.03-2.54)	1.75 (95% CI, 1.20-2.57)
Kim,2008	123	Korea	<10,	reference	reference
			10-21,	1/2.396(1.270-4.521)	1/2.508(1.062-5.921)
			>21	1/5.384(2.510-11.549)	1/3.929(1.140-8.607)
Crawford,2005	78	UK	10	1/D.1336(p<0.001)	N/A
Grad,1994	223	Australia	15	1/3.23(2.62-3.99)	N/A