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Table 4 Preoperative laboratory patient data

From: Kidney stone formers have more renal parenchymal crystals than non-stone formers, particularly in the papilla region

Parameter

Total, mean (SD)

P-value*

Men, mean (SD)

P-value*

Women, mean (SD)

P-value*

SFs

NSFs

 

SFs

NSFs

SFs

NSFs

 

WBC (× 103/μL)

5.7 (1.4)

6.4 (1.8)

0.1172

5.9 (1.4)

6.7 (1.8)

0.0870

5.1 (0.9)

5.0 (1.2)

0.8366

Neutrophil (%)

62.1 (8.6)

62.4 (6.5)

0.8800

62.4 (8.9)

62.8 (6.0)

0.8742

59.3 (7.4)

61.1 (9.3)

0.8125

Eosinophil (%)

3.3 (3.3)

3.0 (2.3)

0.7481

3.6 (3.4)

3.1 (2.4)

0.5742

1.4 (0.80)

2.7 (1.9)

0.2588

Basophil (%)

0.4 (0.3)

0.5 (0.4)

0.3021

0.5 (0.3)

0.5 (0.4)

0.5532

0.2 (0.20)

0.5 (0.1)

0.0656

Monocyte (%)

5.2 (1.6)

5.5 (1.7)

0.5208

5.4 (1.4)

5.6 (1.2)

0.7515

3.6 (1.90)

4.9 (3.3)

0.5034

Lymphocyte (%)

27.6 (6.0)

28.7 (6.2)

0.5075

27.4 6.0)

28.3 (6.3)

0.6122

29.1 (6.9)

30.8 (5.1)

0.6899

RBC (×106/μL)

4.3 (0.6)

4.6 (0.6)

0.0290

4.3 (0.5)

4.7 (0.6)

0.0592

4.1 (0.40)

4.5 (0.3)

0.8366

Hemoglobin (g/dL)

13.0 (1.9)

14.0 (1.8)

0.0360

13.2 (1.8)

14.3 (1.7)

0.0393

11.8 (1.8)

12.4 (1.0)

0.4845

Hematocrit (%)

39.5 (4.7)

42.3 (4.8)

0.0268

40.1 (4.6)

43.2 (4.7)

0.0248

36.9 (4.4)

38.2 (2.7)

0.6088

Platelets (×103/μL)

216.0 (56.5)

211.7 (46.1)

0.7496

215.4 (61.9)

212.5 (46.4)

0.8554

218.9 (18.6)

207.4 (49.7)

0.6434

APTT (%)

97.1 (13.4)

96.3 (12.9)

0.8171

96.2 (12.1)

96.0 (13.7)

0.9551

101.4 (19.7)

97.9 (8.2)

0.7198

PT (%)

96.6 (13.2)

102.2 (14.5)

0.1611

86.1 (11.3)

102.7 (17.3)

0.1310

98.4 (21.8)

99.5 (12.8)

0.9303

PT/INR

1.04 (0.10)

1.01 (0.10)

0.2293

1.04 (0.09)

1.00 (0.11)

0.2641

1.04 (0.10)

1.01 (0.08)

0.6996

Fibrinogen (mg/dL)

327.8 (93.5)

319.6 (70.4)

0.7069

336.6 (98.2)

319.0 (74.1)

0.4818

285.4 (54.4)

322.8 (54.5)

0.3090

TP (g/dL)

7.3 (0.4)

7.33 (0.4)

0.6528

7.2 (0.4)

7.3 (0.5)

0.6805

7.5 (0.50)

7.6 (0.2)

0.8124

Albumin (g/dL)

4.3 (0.5)

4.33 (0.4)

0.9494

4.3 (0.60)

4.3 (0.4)

0.9010

4.6 (0.21)

4.4 (0.2)

0.3126

GOT (U/L)

20.8 (5.7)

23.3 (9.8)

0.2365

21.3 (5.9)

22.2 (8.0)

0.6390

18.4 (4.5)

28.6 (16.4)

0.2170

GPT (U/L)

20.9 (10.4)

26.2 (19.2)

0.1947

21.7 (10.3)

24.2 (11.6)

0.4303

16.8 (11.0)

36.0 (41.6)

0.3476

LDH (U/L)

198.1 (33.2)

185.8 (29.9)

0.1619

196.2 (34.9)

181.2 (24.6)

0.0975

212.3 (11.2)

213.5 (46.8)

0.9686

ALP (U/L)

233.6 (63.0)

241.3 (64.5)

0.6470

236.7 (57.9)

237.0 (62.2)

0.9828

219.0 (90.4)

262.4 (35.4)

0.4428

γ-GTP (U/L)

51.6 (63.2)

28.1 (10.2)

0.5916

60.5 (67.4)

29.0 (10.8)

0.1430

14.0 (0.1)

25.3 (0.1)

0.0771

Creatinine (mg/dL)

0.9 (0.2)

0.82 (0.2)

0.4937

0.9 (0.2)

0.9 (0.2)

0.4700

0.7 (0.2)

0.6 (0.0)

0.8480

Uric acid (mg/dL)

6.0 (1.7)

6.14 (1.6)

0.6891

6.1 (1.7)

6.5 (1.4)

0.4115

5.1 (1.3)

4.2 (1.2)

0.4009

BUN (mg/dL)

15.9 (4.9)

15.3 (3.3)

0.5500

15.9 (4.6)

15.5 (3.4)

0.7763

16.2 (6.6)

15.0 (2.6)

0.5092

Glucose (mg/dL)

122.5 (31.8)

129.2 (47.2)

0.5253

121.0 (33.4)

132.0 (49.6)

0.3690

130.0 (23.6)

115.4 (30.9)

0.4252

Calcium (mg/dL)

9.8 (0.3)

9.71 (0.4)

0.5741

9.8 (0.3)

9.7 (0.4)

0.3148

9.7 (0.3)

9.9 (0.1)

0.2483

e-GFR

71.4 (20.7)

74.9 (18.3)

0.4961

71.0 (20.8)

72.7 (14.0)

0.7287

73.4 (22.5)

85.2 (32.5)

0.5226

Urinary specific gravity

1.016 (0.006)

1.016 (0.006)

0.8782

1.016 (0.006)

1.016 (0.006)

0.9044

1.013 (0.006)

1.016 (0.009)

0.6434

Urinary pH

6.0 (0.7)

6.32 (0.8)

0.0899

5.9 (0.6)

6.3 (0.8)

0.0604

6.3 (1.2)

6.4 (0.8)

0.8783

Urinary RBC (/μL)

68.3 (37.8)

11.9 (5.5)

0.0343

80.1 (45.8)

5.7 (1.4)

0.0108

14.0 (9.1)

43.1 (30.9)

0.4647

Urinary WBC (/μL)

56.7 (38.7)

11.5 (7.4)

0.0117

54.5 (46.5)

3.6 (0.8)

0.0036

66.5 (40.5)

50.9 (43.4)

0.7540

Urinary epithelium (/μL)

4.0 (1.1)

2.66 (1.0)

0.1073

2.9 (1.0)

1.3 (0.2)

0.1428

9.4 (3.4)

9.7 (4.8)

0.6761

Urinary casts (/μL)

0.4 (0.1)

0.2 (0.1)

0.2339

0.5 (0.1)

0.1 (0.0)

0.1217

0.2 (0.2)

0.5 (0.4)

0.8345

Urinary bacteria (×103/μL)

5.4 (3.0)

1.12 (0.2)

0.0014

2.4 (0.6)

0.9 (0.1)

0.0010

19.2 (16.8)

2.3 (0.9)

0.4647

Urinary volume (L/day)

1.4 (0.5)

1.6 (0.6)

0.1511

1.4 (0.5)

1.6 (0.3)

0.3038

0.9 (0.4)

1.5 (0.7)

0.2225

  1. SD standard deviation, SFs stone formers, NSFs non-stone formers, WBC white blood cell, RBC red blood cell, APTT activated partial thromboplastin time, PT prothrombin time, PT/INR prothrombin time international normalized ratio, TP total protein, GOT glutamic oxaloacetic transaminase, GPT glutamic pyruvic transaminase, LDH lactate dehydrogenase, ALP alkaline phosphatase, γ-GTP γ-glutamyl transpeptidase, BUN blood urea nitrogen, e-GFR estimated glomerular filtration rate
  2. The bold numbers indicate statistically significant differences (*P < 0.05) by Student’s t-test or the Mann–Whitney U-test