High Prevalence of Leptotrichia amnionii, Atopobium vaginae, Sneathia sanguinegens, and Factor 1 Microbes and Association of Spontaneous Abortion among Korean Women
Table 3
Factor loadings determined by principal component analysis.
Bacteria
Factor 1
Factor 2
Factor 3
Factor 4
Factor 5
Factor 6
Factor 7
AY959069_s
0.404
−0.007
−0.006
−0.008
0.002
−0.055
−0.062
Lactobacillus fornicalis
−0.133
−0.04
−0.032
0.639
−0.09
−0.07
−0.06
AY958888_s
0.613
−0.013
−0.031
0.011
−0.02
−0.052
−0.005
Leptotrichia amnionii
0.4
−0.007
0.293
−0.051
−0.06
0.124
−0.082
AY959109s
0.741
−0.009
−0.033
0.003
0.011
0.026
0.021
Prevotella timonensis
0.414
0.0077
0.01
−0.028
0.019
0.062
−0.068
Prevotella amnii
0.528
0.0242
0.05
0.047
−0.01
0.103
−0.032
AY958940_s
0.631
0.0043
0.032
0.029
−0.03
0.046
−0.018
Megasphaera
0.711
−0.022
−0.042
−0.026
−0.05
−0.066
−0.006
AY959023
0.612
−0.011
−0.026
0.016
−0.03
−0.114
−0.009
P003395_s
0.525
−0.009
−0.053
0.038
−0.02
−0.143
0.023
DQ666092_s
0.215
−0.02
0.006
−0.041
−0.07
−0.039
0.067
Sneathia_sanguinegens
0.208
−0.002
−8
−0.002
−0.01
0.027
−0.032
AY995258_s
0.158
−0.003
0.016
0.016
−0.02
−0.03
0.026
Escherichia coli
−0.039
0.9649
−0.012
−0.004
−0.08
−0.056
−0.01
Streptococcus anginosus
−0.018
0.5555
0.013
0.011
0.328
0.083
−0.02
Escherichia fergusonii
−0.036
0.9649
−0.011
−5
−0.08
−0.055
−0.011
Peptostreptococcus anaerobius
−0.032
−0.006
0.986
0.011
−0.01
−0.045
−0.008
Peptoniphilus indolicus
−0.025
−0.003
0.987
0.009
−0.01
−0.044
−0.012
Pseudomonas trivialis
−0.094
−0.027
−0.027
−0.156
−0.07
0.016
−0.01
Lactobacillus psittaci
−0.13
−0.034
−0.034
0.773
−0.11
−0.05
−0.003
Lactobacillus jensenii
−0.115
−0.008
−0.028
0.7
−0.06
−0.025
0.004
Mycoplasma hominis
−0.025
0.1032
0.003
0.029
0.58
0.086
0.066
Lactobacillus gasseri
−0.04
−0.061
−0.009
−0.027
0.649
−0.071
−0.062
Lactobacillus acidophilus
−0.025
0.025
−0.001
0.019
0.774
0.049
−0.086
Aerococcus christensenii
−0.072
−0.008
−0.022
−0.058
0.04
0.33
0.123
Dialister micraerophilus
0.146
0.0147
0.014
0.048
−0
0.822
−0.025
Staphylococcus epidermidis
−0.06
−0.01
−0.008
−0.012
−0.01
0.277
−0.027
Enterococcus faecalis
−0.066
−0.003
−0.005
0.037
−0.05
0.704
−0.068
Lactobacillus iners
−0.192
−0.105
−0.073
−0.452
−0.26
−0.102
−0.209
Lactobacillus crispatus
−0.298
−0.062
−0.076
0.183
−0.06
−0.28
−0.415
Atopobium vaginae
0.259
−0.03
−0.021
0.192
−0.07
0.146
0.334
Prevotella bivia
−0.031
−0.015
−0.024
0.041
0.182
0.022
0.312
Lactobacillus vaginalis
−0.191
−0.058
−0.056
0.325
−0.04
−0.225
−0.375
Gardnerella vaginalis
−0.076
−0.02
−0.011
−0.012
0.032
−0.132
0.719
Ureaplasma parvum
−0.077
−0.013
−0.016
−0.01
0.519
−0.069
0.147
Streptococcus agalactiae
−0.084
−0.012
−0.015
−0.062
−0.03
0.099
0.143
Prevotella denticola
−0.066
−0.008
−0.001
−0.009
−0.07
−0.126
0.61
Ureaplasma urealyticum
−0.046
−0.008
−0.004
−0.021
−0.03
0.005
0.037
Pseudomonas cedrina
−0.043
−0.011
−0.001
−0.06
−0.02
−0.018
0.034
Microbacterium hydrocarbonoxydan
−0.05
−0.016
−0.011
0.093
−0.05
−0.022
−0.007
Streptococcus pseudopneumoniae
−0.074
0.0159
−0.012
−0.078
0.051
0.011
0.093
Lactobacillus johnsonii
−0.048
−0.008
−0.007
−0.059
0.078
−0.028
−0.002
Microbacterium ginsengisoli
−0.037
−0.006
−0.005
−0.045
−0.02
−0.007
0.01
Streptococcus salivarius
−0.049
0.0005
−0.008
−0.056
−0.02
−0.012
0.022
Principal component analysis was performed for all 45 microbial species. A total of seven factors showing an eigenvalue > 1.5 were identified, and the factor-loading values of 45 species in each factor were calculated. − means negative correlation.