Table 5.
RELATIVE RISK OF SPONTANEOUS PRETERM DELIVERY ACCORDING TO
QUANTITATIVE ACTIM PARTUS 1NGENI CATEGORIES
phIGFPB-1
Delivery
Delivery
category (ng/ml)
≤ 7 days
≤ 14 days
≤2
-
-
2.1-9.9
5.9
0.8
10.0-49.9
10.0
2.1
50.0-249.9
15.8*
4.5*
≥ 250
22.8**
8.1***
Relative risk compared to phIGFBP-1 ≤2 ng/ml.
z-statistics significance: *P<0.05, **P<0.01, ***P < 0.001
Table 7.
RESULTS FROM THE REPRODUCIBILITY STUDY.
Sample
Mean value, µg/l
N
1
3.5
75
2
15
75
3
40
75
4
157
75
5
341
75
6
778
75
* One run per day performed
Delivery
Delivery
Delivery
< 30 wks
< 34 wks
< 37 wks
-
-
-
0.6
1.5
1.5
5.0
2.5
2.0**
11.8**
4.9**
2.4**
17.1**
7.1***
3.1***
Repeatability
Between-Run*
SD, µg/l
%CV
SD, µg/l
%CV
0.61
17.4
NA
NA
2.16
14.4
NA
NA
7.21
18.0
NA
NA
22.29
14.2
NA
NA
57.52
16.9
NA
NA
139.0
17.9
NA
NA
** A negative variance
Table 6.
RESULTS FROM THE REPEATABILITY STUDY.
Sample
Mean value,
Repeatability
µg/l
SD, µg/l
1
3.5
0.46
2
14
1.50
3
43
4.87
Between-Day
Between-Instrument
SD, µg/l
%CV
SD, µg/l
0.85
24.3
0.36
2.25
15.0
1.97
4.41
11.0
4.16
25.91
16.5
13.00
78.48
23.0
13.59
262.5
33.7
NA
Within-Laboratory
Precision (overall)
%CV
SD, µg/l
%CV
13.1
0.69
19.7
10.7
2.33
16.6
11.3
6.01
14.0
Reproducibility
%CV
SD, µg/l
%CV
10.3
1.10
31.4
13.1
3.69
24.6
10.4
9.42
23.6
8.3
36.57
23.3
4.0
98.25
28.8
NA**
297.0
38.2