Characteristic | Alanine | Histidine | Alanine:histidine ratio |
---|---|---|---|
Spearman’s rho (P value) | |||
Firmicutes, relative abundance | +0.49 | +0.32 | +0.20 |
(P = 0.009) | (P = 0.095) | (P = 0.315) | |
Proteobacteria, relative abundance | −0.42 | −0.24 | −0.16 |
(P = 0.027) | (P = 0.221) | (P = 0.413) | |
Propionibacterium, relative abundance | −0.45 | +0.02 | −0.57 |
(P = 0.015) | (P = 0.920) | (P = 0.002) | |
Median values by cluster or NEC status (Kruskal–Wallis P value) | |||
Cluster I samples versus | 3.34 | 0.59 | 4.97 |
All other samples | 1.52 | 0.44 | 3.46 |
(P < 0.001) | (P = 0.140) | (P = 0.029) | |
Cluster II samples versus | 1.52 | 0.44 | 3.51 |
All other samples | 2.46 | 0.59 | 4.86 |
(P = 0.007) | (P = 0.104) | (P = 0.403) | |
NEC samples versus | 2.13 | 0.33 | 6.32 |
All others excluding non-NEC deaths | 1.72 | 0.53 | 3.42 |
(P = 0.467) | (P = 0.169) | (P = 0.022) | |
NEC-I versus | 2.81 | 0.55 | 4.86 |
All others excluding non-NEC deaths | 1.57 | 0.44 | 3.51 |
(P = 0.023) | (P = 0.394) | (P = 0.177) | |
NEC-II versus | 1.50 | 0.25 | 7.35 |
All others excluding non-NEC deaths | 1.84 | 0.53 | 3.53 |
 | (P = 0.229) | (P = 0.015) | (P = 0.126) |