Reanalysis and External Validation of a Decision Tree Model for Detecting Unrecognized Diabetes in Rural Chinese Individuals
Table 2
Characteristics of population 2.
All
Low risk
High risk
Number
1209
299
910
Sex (M/F)
415/794
103/196
312/598
Age (year)
55.84 ± 6.91
50.41 ± 8.52
57.62 ± 5.18
Diabetes
123 (10.17%)
7 (2.34%)
116 (12.75%)
Prediabetes
262 (21.67%)
32 (10.70%)
230 (25.27%)
Body mass index (kg/m2)
26.58 ± 3.61
24.00 ± 3.30
27.43 ± 3.30
Waist circumference (cm)
92.60 ± 9.92
86.16 ± 9.25
94.71 ± 9.20
Systolic pressure
132.88 ± 18.63
125.68 ± 16.61
135.25 ± 18.66
Diastolic pressure
78.21 ± 10.96
75.87 ± 10.81
78.97 ± 10.90
% with a family history of diabetesa
8.68%
10.00%
8.20%
% with history of hypertension
36.5%
20.10%
41.90%
FPG (mmol/l)
5.72 ± 0.98
5.42 ± 0.95
5.82 ± 0.97
2hPG (mmol/l)
6.88 ± 2.80
5.85 ± 1.61
7.22 ± 3.02
HbA1c (%)
5.89 ± 0.58
5.67 ± 0.34
5.96 ± 0.63
Fasting insulin (μU/ml)
47.16 (29.92, 68.59)
39.22 (26.63, 61.99)
49.16 (32.73, 70.50)
HOMA-IR
10.64 (6.68, 15.74)
8.33 (5.64, 13.53)
11.24 (7.43, 16.48)
HOMA-B
30.99 (19.89, 46.04)
30.99 (20.07, 50.12)
31.01 (19.83, 45.09)
CHO (mmol/l)
5.06 ± 0.96
4.83 ± 0.85
5.13 ± 0.98
TG (mmol/l)
1.47 (0.99, 2.16)
1.23 (0.88, 1.82)
1.54 (1.05, 2.24)
HDL (mmol/l)
1.36 ± 0.43
1.38 ± 0.35
1.35 ± 0.46
LDL (mmol/l)
3.07 ± 0.80
2.89 ± 0.72
3.13 ± 0.81
Values are means (SD), median (range), or n (%). aEither a sibling or parent with diabetes; comparison between low-risk and high-risk groups by unpaired t-test or Chi-square test; versus normal ; versus normal .
