Table 2 Demographic, historical, clinical and laboratory correlates of fasting plasma glucose ≥ 140 mg/dl at discharge in the training population

Age (yrs)

76.8 ± 6.8

77.2 ± 6.7

1.01

0.99–1.02

Gender (males)

332 (44.9)

245 (39.8)

0.82

0.66–1.02

BMI (kg/m²)

26.1 ± 4.8

26.7 ± 4.8

1.02

1.0–1.05

Systolic blood pressure (mmHg)

   <140

130 (17.6)

116 (18.9)

1.0

   140–160

370 (50.1)

299 (48.6)

0.89

0.66–1.19

   >160

239 (32.3)

200 (32.5)

0.92

0.67–1.26

Diastolic blood pressure (mmHg)

   <80

101 (13.7)

126 (20.5)

1.0

   80–90

452 (61.2)

320 (52.0)

0.56

0.41–0.75

   >90

186 (25.2)

169 (27.5)

0.71

0.51–0.99

Education (yrs)

   < 5

240 (32.5)

227 (36.9)

1.0

   5–8

349 (47.2)

261 (42.4)

0.82

0.64–1.05

   > 8

91 (12.3)

57 (9.3)

0.70

0.47–1.04

Type of ward

   Geriatrics

532 (72.0)

429 (69.8)

1.0

   Medicine

195 (26.4)

171 (27.8)

1.09

0.86–1.39

   Others

12 (1.6)

15 (2.4)

1.63

0.75–3.53

Charlson

   0–1

265 (35.9)

206 (33.5)

1.0

   2

193 (26.1)

136 (22.1)

0.92

0.69–1.23

   3+

281 (38.0)

273 (44.4)

1.28

1.01–1.64

AMT

   ≥ 7

483 (65.4)

386 (62.8)

1.0

   < 7

244 (33.0)

216 (35.1)

1.06

0.83–1.34

ADL

   Independent

365 (49.4)

296 (48.1)

1.0

   Assistance

175 (23.7)

117 (19.0)

0.80

0.60–1.06

   Dependent

192 (26.0)

198 (32.2)

1.23

0.95–1.60

Hypoglycemic therapy prior to admission

   Diet alone

386 (52.2)

273 (44.4)

1.0

   Oral agents alone

253 (34.2)

191 (31.1)

1.05

0.83–1.35

   Insulin alone

86 (11.6)

127 (20.7)

2.07

1.51–2.84

   Oral agents and insulin

14 (1.9)

24 (3.9)

2.40

1.22–4.74

Plasma glucose (mg/dl)

   < 143

344 (46.5)

110 (17.9)

1.0

   143–218

233 (31.5)

218 (35.4)

2.90

2.18–3.85

   > 218

162 (21.9)

287 (46.7)

5.50

4.12–7.34

Cholesterol (mg/dl)

   < 164

237 (32.1)

183 (29.8)

1.0

   164–208

245 (33.2)

185 (30.1)

0.96

0.73–1.26

   > 208

212 (28.7)

209 (34.0)

1.24

0.93–1.63

Triglycerides (mg/dl)

   < 110

232 (31.4)

143 (23.3)

1.0

   110–168

217 (29.4)

175 (28.5)

1.31

0.98–1.75

   > 168

185 (25.0)

193 (31.4)

1.67

1.24–2.23

White blood cells (cells/mm³)

   < 6800

248 (33.6)

196 (31.9)

1.0

   6800–8970

262 (35.5)

186 (30.2)

0.90

0.69–1.17

   > 8970

224 (30.3)

225 (36.6)

1.28

0.98–1.67

Serum sodium (mEq/l)

   < 138

185 (25.0)

210 (34.1)

1.0

   138–141

300 (40.6)

230 (37.4)

0.68

0.52–0.88

   >141

242 (32.7)

169 (27.5)

0.61

0.46–0.80

Serum potassium (mEq/l)

   < 4.1

237 (32.1)

185 (30.1)

1.0

   4.1–4.6

294 (39.8)

260 (42.3)

1.13

0.88–1.46

   >4.6

200 (27.1)

165 (26.8)

1.05

0.79–1.39