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Table 1 Comparison of general characteristics and clinic parameters of diabetic and non-diabetic groups in Chinese CKD patients

From: Association between diabetes mellitus and health-related quality of life among patients with chronic kidney disease: results from the Chinese Cohort Study of Chronic Kidney Disease (C-STRIDE)

Variable

Category

Total

Diabetics

Non-diabetics

P-value

(n = 2742)

(n = 610)

(n = 2132)

Age (year) *

 

48.80 ± 13.66

56.86 ± 10.82

46.55 ± 13.49

< 0.001**

Sex $

Male

1634 (59.59%)

384 (62.95%)

1250 (58.63%)

0.055

Female

1108 (40.41%)

226 (37.05%)

882 (41.37%)

 

Marriage $

Married

2350 (89.05%)

538 (92.44%)

1812 (88.09%)

0.003**

Unmarried

289 (10.95%)

44 (7.56%)

245 (11.91%)

 

Race $

Ethnic Han

2526 (92.53%)

565 (92.93%)

1961 (92.41%)

0.67

Others

204 (7.47%)

43 (7.07%)

161 (7.59%)

 

Education $

high school or above

832 (30.62%)

132 (21.93%)

700 (33.10%)

< 0.001**

below high school

1885 (69.38%)

470 (78.07%)

1415 (66.90%)

 

Treatment period $

≥1 year

1434 (57.45%)

356 (64.03%)

1078 (55.57%)

< 0.001**

<1 year

1062 (42.55%)

200 (35.97%)

862 (44.43%)

 

Smoking history $

Smoked

1021 (37.00%)

276 (46.15%)

745 (35.73%)

< 0.001**

Never smoked

1662 (63.00%)

322 (53.85%)

1340 (64.27%)

 

Economic burden $

≥70%

551 (21.53%)

127 (22.48%)

424 (21.26%)

0.535

<70%

2008 (78.47%)

438 (77.52%)

1570 (78.74%)

 

BMI (kg/m2) *

 

24.58 ± 3.54

25.52 ± 3.42

24.31 ± 3.53

< 0.001**

ACR (mg/g) #

 

342.25 (74.16–901.58)

483.93 (94.87–1350.77)

312.41 (71.65–798.31)

< 0.001**

FPG (mmol/L) #

 

4.96 (4.46–5.66)

6.72 (5.34–8.10)

4.81 (4.38–5.26)

< 0.001**

eGFR (ml/min/1.73m2) *

 

54.88 ± 30.55

45.50 ± 23.92

57.56 ± 31.69

< 0.001**

CVD $

Yes

343 (12.67%)

133 (21.88%)

210 (10.00%)

< 0.001**

No

2366 (87.33%)

475 (78.13%)

1891 (90.00%)

 

Symptoms and problems (S) #

 

89.76 ± 11.59

86.88 ± 13.76

90.59 ± 10.75

< 0.001**

Effects of kidney disease (E) *

 

86.72 ± 13.07

84.78 ± 14.86

87.28 ± 12.45

< 0·001**

Burden of kidney disease (B) *

 

51.30 ± 28.20

49.85 ± 27.41

51.72 ± 28.41

0·148

SF-12 Physical Function (PCS) *

 

44.50 ± 9.19

41.40 ± 9.77

45.39 ± 8.82

< 0·001**

SF-12 Mental Function (MCS) *

 

50.53 ± 9.07

50.15 ± 9.82

50.64 ± 8.85

0.263

  1. Abbreviations: BMI Body-mass index, FPG Fasting plasma glucose, eGFR Estimated glomerular filtration rate, ACR Albumin/creatinine ratio, CVD Cardiovascular disease
  2. Number of missing: Age: 0; Sex: 0; Marriage: 103; Race: 12; Education: 25; Treatment period: 246; Smoking: 59; Economical burden: 183; BMI: 349; ACR: 370; FPG: 0; eGFR: 0; Cardiovascular disease: 33
  3. Note 1: * The variables are numerical and statistics are Mean (Standard deviation), P-value calculated based on t test
  4. Note 2: # The variables are numerical and statistics are Median (Interquartile range), P-value calculated based on Wilcoxon test
  5. Note 3: $ The variables are categorical and statistics are Frequency (Percentage), P-value calculated based on Chi-square test
  6. Note 4: The denominator of percentage is number of the variable without missing values
  7. Note 5: ** Statistically significant at 0.05