Research Article

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).

VariablesPSBPOR (95% CI)
Yes (%)No (%)CORAOR

BMI
 18.7–25 kg/m241 (27)111 (73)1.001.00
 25–29.9 kg/m230 (69.8)13 (30.2)6.2 (2.97, 13.13)3.8 (1.48, 9.96)
 ≥30 kg/m216 (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)1.001.00
 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
 Once11 (11.1)88 (88.9)1.001.00
 Twice31 (56.4)24 (43.6)10.3 (4.53, 23.5)3.6 (1.29, 10.42)
 ≥three times45 (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 contact16 (14.0)98 (86.0)1.001.00
 Once19 (50)19 (50)6.1 (2.68, 14.0)3.1 (1.14. 8.45)
 ≥Twice52 (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.