Table 2 Comparison of demographic and treatment data between two groups.

From: Effects of preoperative sagittal spinal imbalance on pain after lateral lumbar interbody fusion

Characteristic

Group 1

Group 2

p-value

SVA (mm), mean (SD)

129.0 (53.4)

30.8 (23.5)

 

No. of patients

30

51

 

Age (years), mean (SD)

71.1 (9.9)

69.7 (10.8)

0.670

Sex, n (%)

Male

16

32

0.408

Female

14

19

Height (cm), mean (SD)

157.7(9.6)

159.7 (9.7)

0.363

Body weight (kg), mean (SD)

60.8 (13.2)

62.3 (11.6)

0.588

BMI (kg/m2), mean (SD)

24.2 (3.2)

24.4 (3.9)

0.876

Number of levels treated, n (mean)

46 (1.5)

64 (1.3)

0.122

Average OR time (min)

118.4 (42.1)

103.8 (33.0)

0.153

Average Blood loss (ml)

121.8 (167.3)

64.8 (71.5)

0.079

CRP on POD1, mean (SD)

4.5 (3.2)

2.5 (1.6)

< 0.001*

Average Length of stay (days)

15.8 (4.5)

14.7 (3.9)

0.279

No. of motor weakness (%)

6 (20.0)

8 (15.7)

0.762

No. of thigh pain (%)

7 (23.3)

9 (17.6)

0.572

Preoperative parameter

CR Cobb (°)

10.7 (8.7)

6.3 (5.5)

0.049*

LL (°)

24.3 (16.8)

40.5 (12.3)

< 0.001*

TK (°)

21.8 (11.8)

22.8 (10.3)

0.679

PI (°)

50.4 (7.4)

50.5 (8.8)

0.969

PT (°)

23.2 (7.8)

21.5 (7.2)

0.325

SS (°)

27.2 (8.3)

29.0 (8.7)

0.374

  1. SD standard deviation.
  2. *Statistically significant.
  3. Comparison between two groups.