Comparison of subjects with ERCC6L2 disease with and without an HM. (A) Median age at diagnosis with 95% CI, using Mann-Whitney U test; P = .0007. (B-G) CBC parameter median values of subjects with available CBC data with 95% CI, using unpaired t test. The blue-shaded area denotes the Finnish reference values for the CBC parameters. E6L2, ERCC6L2; ANC, absolute neutrophil count; Hb, hemoglobin; MCV, mean corpuscular volume; ns, nonsignificant.