Prevalence and Factors Associated with Back Pain among Patients Undergoing Spinal Anesthesia at the University of Gondar Comprehensive and Specialized Hospital, North West Ethiopia: An Institutional Based Cross-Sectional Study
Table 3
Factors associated with PSBP in patients who underwent the surgical procedure under spinal anesthesia, Northwest Ethiopia, from March to May 2020 (n = 215).
Variables
PSBP
OR (95% CI)
Yes (%)
No (%)
COR
AOR
BMI
18.7–25 kg/m2
41 (27)
111 (73)
1.00
1.00
25–29.9 kg/m2
30 (69.8)
13 (30.2)
6.2 (2.97, 13.13)
3.8 (1.48, 9.96)
≥30 kg/m2
16 (80)
4 (20)
10.8 (3.42, 34.29)
4.9 (1.19, 20.43)
Needle size
Small needle (23–29G)
2 (11.1)
16 (88.9)
1.00
1.00
Big needle (18–22G)
85 (43.1)
112 (56.9)
6.1 (1.36, 27.12)
5.9 (1.04, 33.46)
Number of attempts of lumbar puncture
Once
11 (11.1)
88 (88.9)
1.00
1.00
Twice
31 (56.4)
24 (43.6)
10.3 (4.53, 23.5)
3.6 (1.29, 10.42)
≥three times
45 (73.8)
16 (26.2)
22.5 (9.64, 52.51)
4.9 (1.63, 15.23)
Number of bone contacts during spinal anesthesia
No contact
16 (14.0)
98 (86.0)
1.00
1.00
Once
19 (50)
19 (50)
6.1 (2.68, 14.0)
3.1 (1.14. 8.45)
≥Twice
52 (82.5)
11 (17.5)
28.9 (12.52, 66.94)
7.6 (2.60, 22.43)
OR = odd ratio, CI = confidence interval, COR = crude odds ratio, AOR = adjusted odds ratio, PSBP = postspinal back pain, and BMI = body mass index. Significantly associated with PSBP, 1: reference.