Table 1:

Baseline characteristics of subjects (per randomization) treated with either transforaminal or intra-articular facet corticosteroid injections

VariablesGroupsP Value
IFSITFSI
Subjects (No.)2828
Sex (No.) (%).059
    Male8 (29)15 (54)
    Female20 (71)13 (46)
Age (yr) (mean) (range)44 ± 8.3 (26–60)52 ± 11.1 (29–72).007
Duration of pain (mo) (mean) (range)14 ± 20 (1–84)17 ± 21 (1–84).649
Imaging findings (No.) (%).357
    Disk herniation12 (43)7 (25)
    Spondylosis14 (50)20 (71)
    Spondylosis/disk herniation2 (7)1 (4)
Level of injection (No.) (%).566
    C3–C41 (4)0 (0)
    C4–C51 (4)3 (11)
    C5–C616 (57)15 (53)
    C6–C710 (35)10 (36)
Side of injection (No.) (%).284
    Right13 (46)17 (61)
    Left15 (54)11 (39)
VAS (0–100) (mean) (range)61 ± 17 (23–95)63 ± 18 (17–85).691
NDI (0–50) (mean) (range)21 ± 8 (10–44)19 ± 7 (5–30).301
Employment status (No.) (%).030
    Working12 (42.9)16 (57.1)
    Retired1 (3.6)4 (14.3)
    Not working15 (53.5)8 (28.6)
        On sick leave with insurance10 (35.71)4 (14.29)
        On sick leave without insurance0 (0.00)2 (7.14)
        Workers' compensation4 (14.29)0 (0.00)
        On welfare1 (3.57)2 (7.14)