highly significantP <10 −15
There was a highly significant interaction for both DCV and FHV (Cox's mixed-effect models; DCV: χ 2 = 127.4, d.f. = 19, P <10 −15 ; FHV: χ 2 = 107.6, d.f. = 19, P <10 −14 ).
There was a highly significant interaction for both DCV and FHV (Cox's mixed-effect models; DCV: χ 2 = 127.4, d.f. = 19, P <10 −15 ; FHV: χ 2 = 107.6, d.f. = 19, P <10 −14 ).