Table 1:
Baseline characteristics of subjects (per randomization) treated with either transforaminal or intra-articular facet corticosteroid injections
| Variables | Groups |
P Value | |
|---|---|---|---|
| IFSI | TFSI | ||
| Subjects (No.) | 28 | 28 | |
| Sex (No.) (%) | .059 | ||
| Male | 8 (29) | 15 (54) | |
| Female | 20 (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 herniation | 12 (43) | 7 (25) | |
| Spondylosis | 14 (50) | 20 (71) | |
| Spondylosis/disk herniation | 2 (7) | 1 (4) | |
| Level of injection (No.) (%) | .566 | ||
| C3–C4 | 1 (4) | 0 (0) | |
| C4–C5 | 1 (4) | 3 (11) | |
| C5–C6 | 16 (57) | 15 (53) | |
| C6–C7 | 10 (35) | 10 (36) | |
| Side of injection (No.) (%) | .284 | ||
| Right | 13 (46) | 17 (61) | |
| Left | 15 (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 | ||
| Working | 12 (42.9) | 16 (57.1) | |
| Retired | 1 (3.6) | 4 (14.3) | |
| Not working | 15 (53.5) | 8 (28.6) | |
| On sick leave with insurance | 10 (35.71) | 4 (14.29) | |
| On sick leave without insurance | 0 (0.00) | 2 (7.14) | |
| Workers' compensation | 4 (14.29) | 0 (0.00) | |
| On welfare | 1 (3.57) | 2 (7.14) | |