CX3CR1 and diabetes mellitus: Furthermore, died non‐DM patients also expressed lower levels of CX3CR1 and GzmB on CD16+ (median MFI CX3CR1: 490 vs. 754, p = 0.11, median MFI GzmB: 2454 vs. 3967, p = 0.02) and CD16− NK cells (median MFI CX3CR1: 393 vs. 618, p = 0.06, median MFI GzmB: 2444 vs. 3604, p = 0.02) compared to survivors.