|
Effect of combining diagnostic groups
|
|---|
|
Subgroups
|
Total
|
dead
|
CFR
|
comparisons
|
p
|
|---|
|
#
|
#
|
%
|
|---|
|
All-muac v All-whz without oedeam
|
|
M-muac
|
7191
|
56
|
0.78
|
muac v whz
|
0.000
|
|
M-whz
|
16,530
|
332
|
2.01
|
muac v both
|
0.000
|
|
M-both
|
40,307
|
2000
|
4.96
|
whz v both
|
0.000
|
| | | | |
Cramer’s V
|
0.044
|
|
M-All-muac
|
47,498
|
2056
|
4.33
|
χ2 = 3.01
|
0.083
|
|
M-All-whz
|
56,837
|
2332
|
4.10
|
Cramer’s V
|
0.005
|
|
All-muac v All-whz with oedema
|
|
K-muac
|
1669
|
118
|
7.07
|
muac v whz
|
0.000
|
|
K-whz
|
1088
|
169
|
15.53
|
muac v both
|
0.000
|
|
K-both
|
4217
|
576
|
13.66
|
whz v both
|
0.411
|
| | | | |
Cramer’s V
|
0.115
|
|
K-All-muac
|
5886
|
694
|
11.79
|
χ2 = 9.75
|
0.002
|
|
K-All-whz
|
5305
|
745
|
14.04
|
Cramer’s V
|
0.028
|
|
All-muac v All-whz with and without oedema
|
|
M + K-muac
|
8860
|
174
|
1.96
|
muac v whz
|
0.000
|
|
M + K-whz
|
17,618
|
501
|
2.84
|
muac v both
|
0.000
|
|
M + K-both
|
44,524
|
2576
|
5.79
|
whz v both
|
0.000
|
| | | | |
Cramer’s V
|
0.025
|
|
M + K - All-muac
|
53,384
|
2750
|
5.15
|
χ2 = 2.16
|
0.141
|
|
M + K - All-whz
|
62,142
|
3077
|
4.95
|
Cramer’s V
|
0.004
|
- The effect of grouping M-both and K-both with the single deficits to produce erroneous results due to mathematical coupling. All-muac is defined as M-muac + M-both or K-muac + K-both; All-whz is defined as M-whz + M-both or K-whz + K-both; Cramer’s V (a measure of the degree to which the two categories are associated, 0 = no association, 1 = identity) calculated for MUAC v WHZ only
