Table II.

Summary of complotyping data.

	N (%)	Median survival in years from Stage IV diagnosis (95%CI)	p*
Total C4 copy number
≥ 4	46 (75.4)	1.67 (1.25, 2.83)
< 4	15 (24.6)	7.75 (2.58, NA)	0.051
Solitary isoform copy
No	34 (55.7)	1.25 (1.17, 1.75)
Yes	27 (44.3)	7.75 (2.83, NA)	0.001

^*Log-rank test. NA, not applicable; CI, confidence intervals