HBG2 and Sepsis: No significant difference was observed in the comparison of methemoglobin values between dogs with sepsis vs. dogs with septic shock (1.8%, 0.4–2.8% vs. 1.5%, 0.4–3.5%; P = 0.74), and between survivors vs. non-survivors (1.5%; 0.4–2.8% vs. 1.8%; 0.4–3.5%, P = 0.05) (Figures 2, 3).