Table 1 Baseline characteristics of subjects according to tertiles of GPR level.

From: The association between serum glucose to potassium ratio on admission and short-term mortality in ischemic stroke patients

GRP tertiles

T1 (≤ 1.372)

T2 (1.375–1.658)

T3 (≥ 1.659)

P-value

N = 784

258

263

263

 

Age (years)

77.10 ± 12.98

77.35 ± 12.15

78.46 ± 11.81

0.518

Gender (male), n (%)

110 (42.64%)

118 (44.87%)

113 (42.97%)

0.857

Ischemic stroke subtypes (TOAST)

0.903

Large-artery atherosclerosis

20 (7.75%)

23 (8.75%)

28 (10.65%)

 

Cardioembolism

21 (8.14%)

27 (10.27%)

22 (8.37%)

 

Small-vessel occlusion

11 (4.26%)

9 (3.42%)

10 (3.80%)

 

Other determined etiology

0 (0.00%)

1 (0.38%)

1 (0.38%)

 

Undetermined

206 (79.84%)

203 (77.19%)

202 (76.81%)

 

Department

0.369

Medical

257 (99.61%)

263 (100.00%)

261 (99.24%)

 

Surgical

1 (0.39%)

0 (0.00%)

2 (0.76%)

 

Serum-sodium (mmol/L)

139.84 ± 3.37

139.51 ± 3.23

139.17 ± 4.12

0.105

Serum-calcium (mmol/L) (1 missing)

2.34 ± 0.11

2.35 ± 0.13

2.35 ± 0.13

0.428

Seum-albumin (mmol/L) (2 missing)

39.44 ± 3.91

39.28 ± 3.67

38.92 ± 4.03

0.164

Serum-phosphate tertiles (mmol/L), n (%)

0.045

Tertile1 (≤ 0.97)

17 (6.59%)

38 (14.45%)

30 (11.41%)

 

Tertile2 (0.98–1.12)

25 (9.69%)

26 (9.89%)

37 (14.07%)

 

Tertile3 (≥ 1.13)

39 (15.12%)

32 (12.17%)

29 (11.03%)

 

Not recorded

177 (68.60%)

167 (63.50%)

167 (63.50%)

 

Serum-magnesium tertiles (mmol/L), n (%)

0.312

Tertile1 (≤ 0.78)

19 (7.36%)

30 (11.41%)

38 (14.45%)

 

Tertile2 (0.79–0.84)

30 (11.63%)

32 (12.17%)

27 (10.27%)

 

Tertile3 (≥ 0.85)

37 (14.34%)

34 (12.93%)

36 (13.69%)

 

Not recorded

172 (66.67%)

167 (63.50%)

162 (61.60%)

 

Hyperlipemia, n (%)

13 (5.04%)

10 (3.80%)

7 (2.66%)

0.368

Hypertension, n (%)

61 (23.64%)

66 (25.10%)

64 (24.33%)

0.928

AF, n (%)

60 (23.26%)

64 (24.33%)

85 (32.32%)

0.038

Heart failure, n (%)

7 (2.71%)

10 (3.80%)

6 (2.28%)

0.567

Chronic renal failure, n (%)

10 (3.88%)

11 (4.18%)

12 (4.56%)

0.926

Acute renal failure, n (%)

5 (1.94%)

6 (2.28%)

7 (2.66%)

0.859

COPD, n (%)

3 (1.16%)

5 (1.90%)

2 (0.76%)

0.497

CHD, n (%)

14 (5.43%)

18 (6.84%)

10 (3.80%)

0.301

Cancer, n (%)

0 (0.00%)

7 (2.66%)

7 (2.66%)

0.030

Malnutrition, n (%)

5 (1.94%)

7 (2.66%)

6 (2.28%)

0.859

Dehydration, n (%)

8 (3.10%)

6 (2.28%)

15 (5.70%)

0.095

Pneumonia, n (%)

6 (2.33%)

12 (4.56%)

18 (6.84%)

0.048

30-day mortality

18 (6.98%)

22 (8.37%)

36 (13.69%)

0.024

  1. All data in GPR subgroups were expressed as mean ± SD or number (%). GPR tertiles: Tertile 1: ≤ 1.372; Tertile 2: 1.375–1.658; Tertile 3: ≥ 1.659. Serum-phosphate tertiles: Tertile 1: ≤ 0.97 mmol/L; Tertile 2: 0.98–1.12 mmol/L; Tertile 3: ≥ 1.13 mmol/. Serum-magnesium tertiles: Tertile 1: ≤ 0.78 mmol/L; Tertile 2: 0.79–0.84 mmol/L; Tertile3: ≥ 0.85 mmol/L.
  2. GPR serum glucose to potassium ratio, AF atrial fibrillation/atrial flutter, COPD chronic obstructive pulmonary disease, CHD coronary heart disease.