Table 3 Descriptive data of primary and secondary data at 20 years after surgery
Outcome Measure | Total | CP (n = 23–13) | CIFC (n = 27 − 20) | p-values |
|---|---|---|---|---|
Neck pain intensity n = 50 (VAS, median (Q1–Q3)) | 8.5 (2–37) | 5.0 (1–35) | 10.0 (3–43) | .329 |
(VAS mean (SD)) | 19.7(23.5) | 18.2 (26.1) | 21.0 (21.5) | .677 |
Neck pain frequency n = 47 | .846 | |||
Never | 6 (13) | 2 | 4 | |
Occasionally | 26 (55) | 13 | 13 | |
Daily/constantly | 15 (32) | 7 | 8 | |
Arm pain intensity n = 50 (VAS, median (Q1–Q3)) | 9 (1–25) | 9 (1–33) | 13 (1–25) | .969 |
Arm pain frequency n = 46 | .374 | |||
Never | 20 (43) | 12 | 8 | |
Occasionally | 9 (20) | 3 | 6 | |
Daily/constantly | 17 (37) | 7 | 10 | |
NDI n = 47 (mean (SD)) | 22.6 (18.2) | 21.6 (18.3) | 23.4 (18.4) | .729 |
Headache intensity n = 48 (VAS, median (Q1–Q3)) | 3 (0–16) | 2.5 (0.8) | 9.5 (17.3) | .967 |
Headache frequency n = 46 | .652 | |||
Never | 14 (30.5) | 8 | 6 | |
Occasionally | 20 (43.5) | 8 | 12 | |
Daily/constantly | 12 (26) | 6 | 6 | |
Headache impact test n = 32 (mean (SD)) | 49.5 (12.7) | 47.9 (15.8) | 50.8 (9.4) | .529 |
Dizziness intensity, rest n = 45 (VAS, median (Q1–Q3)) | 2 (0–18) | 3 (0.5–19.5) | 2 (0.0–18.8) | .836 |
Dizziness intensity, movement n = 45 (VAS, median(Q1–Q3)) | 5 (2–24) | 5 (2–21) | 8.5 (1–45) | .918 |
Balance problems intensity n = 46 (VAS, median (Q1–Q3)) | 18 (3–42) | 13 (2.8–48.5) | 21 (2.8–48.5) | .440 |
Dizziness/unsteadiness frequency n = 46 | .707 | |||
Never | 16 (35) | 9 (40.9) | 7 (29) | |
Occasionally | 15 (32.5) | 7 (31.8) | 8 (33) | |
Daily/constantly | 15 (32.5) | 6 (27.3) | 9 (38) | |
Impact of dizziness n = 33 (DHI, mean (SD)) | 34.3 (21) | 35.4 (25.1) | 33.6 (18.8) | .817 |
Symptom satisfaction n = 47 | .926 | |||
Delighted/Pleased | 23 (49) | 11 (52) | 12 (46) | |
Mostly satisfied | 9 (19) | 4 (19) | 5 (19) | |
Mostly dissatisfied/Unhappy | 15 (32) | 6 (29) | 9 (35) | |
Self-efficacy n = 47 (mean (SD)) | 148.5 (40.0) | 150.0 (43.8) | 147.4 (37.6) | .838 |
HRQoL (EQ5D) n = 46 (mean (SD)) | .743 (.227) | .759 (.202) | .729 (.249) | .661 |
Health status (EQ VAS) n = 47 mean (SD) | 75 (20.2) | 75 (20.4) | 76 (20.4) | .908 |
Global outcome# (n = 50) | .307 | |||
Much improved | 26 (52) | 13 (57) | 13 (48) | |
Improved | 18 (36) | 6 (26) | 12 (44) | |
Unchanged/worse | 6 (12) | 4 (17) | 2 (8) | |
CRI in neck pain (n (%)) | .528 | |||
Improved | 35 (71) | 15 (65) | 20 (77) | |
Not improved | 14 (29) | 8 (35) | 6 (23) | |
CRI in disability (n (%)) | .370 | |||
Improved | 19 (41) | 11 (50) | 8 (33) | |
Not improved | 27 (59) | 11 (50) | 16 (67) |