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Table 3 Comparison of general data and laboratory indices between the treatment and control groups after the intervention

From: Compression therapy following posterior lumbar interbody fusion: a prospective, randomized, clinical study

 

Treatment group (n = 30)

Control group (n = 30)

Mean (SD)

Mean (SD)

z-value

t-value

p-value

Drainage volume (mL)

332.33 (131.98)

447.00 (178.46)

−2.83

0.006*

Maximum VAS (cm)

3.07 (1.20)

4.00 (1.13)

−3.26

0.001*

WBC1 (10^9/L)

12.78 (3.21)

12.60 (2.99)

0.223

0.825

RBC1 (10^9/L)

4.02 (0.70)

3.76 (0.49)

1.656

0.103

Hb1 (g/L)

119.10 (15.17)

116.1 (14.38)

0.786

0.435

ESR1 (mm/h)

13.97 (8.59)

12.80 (10.67)

0.466

0.643

CRP1 (mg/L)

24.20 (16.81)

32.35 (18.77)

−1.771

0.082

WBC3 (10^9/L)

10.83 (2.76)

10.20 (2.27)

0.964

0.339

RBC3 (10^9/L)

3.84 (0.50)

3.46 (0.53)

2.896

0.005*

Hb3 (g/L)

116.77 (13.54)

107.1 (15.99)

2.527

0.014*

ESR3 (mm/h)

32.30 (22.65)

34.73 (26.96)

−0.378

0.706

CRP3 (mg/L)

44.06 (48.64)

60.23 (51.43)

−1.251

0.216

WBC10 (10^9/L)

8.48 (1.77)

7.57 (2.38)

1.676

0.099

RBC10 (10^9/L)

5.68 (2.27)

4.66 (1.54)

2.040

0.047*

Hb10 (g/L)

120.37 (14.77)

109.53 (22.26)

2.221

0.030*

ESR10 (mm/h)

34.90 (20.01)

34.59 (22.31)

0.056

0.955

CRP10 (10^9/L)

13.87 (11.24)

23.14 (19.30)

−2.273

0.028*

  1. *Statistical difference (p < 0.05)
  2. 1First day after the operation; 33rd day after the operation; 1010th day after the operation