Table 3 Pain severity – predicted means and 95% confidence intervals (95% CI)
From: Back pain and radicular pain after lumbar microdiscectomy
Mean | 95% CI | Mean | 95% CI | ||||
|---|---|---|---|---|---|---|---|
Back pain | Leg pain | ||||||
Entire sample | Entire sample | ||||||
Preoperative | 58.17 | 55.15 | 61.19 | Preoperative | 67.74 | 64.68 | 70.80 |
3 months | 28.18 | 24.93 | 31.43 | 3 months | 30.68 | 27.36 | 34.00 |
1 year | 21.61 | 18.20 | 25.02 | 1 year | 19.37 | 15.90 | 22.85 |
2 years | 38.46 | 31.50 | 45.41 | 2 years | 33.82 | 26.54 | 41.11 |
Sex | Sex | ||||||
Men | Men | ||||||
Preoperative | 56.30 | 52.11 | 60.50 | Preoperative | 67.15 | 63.08 | 71.21 |
3 months | 27.83 | 23.23 | 32.43 | 3 months | 30.65 | 26.14 | 35.16 |
1 year | 21.14 | 16.25 | 26.04 | 1 year | 18.79 | 14.00 | 23.59 |
2 years | 36.23 | 26.27 | 46.20 | 2 years | 31.58 | 21.36 | 41.79 |
Women | Women | ||||||
Preoperative | 60.68 | 56.41 | 64.95 | Preoperative | 68.54 | 63.89 | 73.19 |
3 months | 28.68 | 24.18 | 33.17 | 3 months | 30.78 | 25.88 | 35.68 |
1 year | 22.11 | 17.48 | 26.74 | 1 year | 20.04 | 15.01 | 25.06 |
2 years | 40.98 | 31.50 | 50.47 | 2 years | 36.31 | 25.95 | 46.67 |
Age | Age | ||||||
Younger | Younger | ||||||
Preoperative | 60.57 | 56.37 | 64.77 | Preoperative | 68.93 | 64.77 | 73.08 |
3 months | 29.29 | 24.51 | 34.08 | 3 months | 28.85 | 24.03 | 33.68 |
1 year | 22.78 | 17.81 | 27.76 | 1 year | 17.24 | 12.26 | 22.21 |
2 years | 41.04 | 30.47 | 51.61 | 2 years | 34.08 | 23.58 | 44.58 |
Older | Older | ||||||
Preoperative | 55.54 | 51.23 | 59.86 | Preoperative | 66.34 | 61.83 | 70.84 |
3 months | 26.90 | 22.49 | 31.31 | 3 months | 32.25 | 27.67 | 36.82 |
1 year | 20.65 | 16.00 | 25.29 | 1 year | 21.35 | 16.51 | 26.18 |
2 years | 36.77 | 27.60 | 45.93 | 2 years | 33.64 | 23.55 | 43.73 |
Preoperative pain duration | Preoperative pain duration | ||||||
< 1 year | < 1 year | ||||||
Preoperative | 57.84 | 54.47 | 61.22 | Preoperative | 68.92 | 65.49 | 72.35 |
3 months | 27.25 | 23.61 | 30.89 | 3 months | 30.61 | 26.90 | 34.32 |
1 year | 19.76 | 15.98 | 23.55 | 1 year | 18.21 | 14.37 | 22.04 |
2 years | 35.40 | 27.77 | 43.03 | 2 years | 31.71 | 23.75 | 39.66 |
> = 1 year | > = 1 year | ||||||
Preoperative | 59.22 | 52.54 | 65.89 | Preoperative | 63.11 | 56.37 | 69.85 |
3 months | 31.63 | 24.44 | 38.82 | 3 months | 31.89 | 24.35 | 39.43 |
1 year | 29.47 | 21.58 | 37.35 | 1 year | 24.76 | 16.53 | 32.99 |
2 years | 52.72 | 35.18 | 70.26 | 2 years | 41.72 | 23.13 | 60.30 |
Preoperative back pain severity | Preoperative back pain severity | ||||||
Milder | Milder | ||||||
Preoperative | 35.78 | 32.20 | 39.37 | Preoperative | 58.02 | 53.85 | 62.19 |
3 months | 22.83 | 18.87 | 26.78 | 3 months | 25.67 | 21.14 | 30.20 |
1 year | 19.02 | 14.85 | 23.19 | 1 year | 15.29 | 10.51 | 20.08 |
2 years | 24.36 | 14.76 | 33.96 | 2 years | 26.89 | 15.47 | 38.32 |
Worse | Worse | ||||||
Preoperative | 81.11 | 77.85 | 84.36 | Preoperative | 78.22 | 74.04 | 82.39 |
3 months | 34.90 | 30.97 | 38.84 | 3 months | 36.01 | 30.86 | 41.15 |
1 year | 24.33 | 20.03 | 28.62 | 1 year | 23.97 | 18.36 | 29.58 |
2 years | 49.37 | 39.77 | 58.98 | 2 years | 42.10 | 29.39 | 54.82 |
Preoperative leg pain severity | Preoperative leg pain severity | ||||||
Milder | Milder | ||||||
Preoperative | 48.00 | 43.96 | 52.04 | Preoperative | 47.72 | 43.79 | 51.65 |
3 months | 26.52 | 22.09 | 30.95 | 3 months | 27.46 | 23.05 | 31.88 |
1 year | 22.48 | 17.66 | 27.30 | 1 year | 21.02 | 16.23 | 25.81 |
2 years | 35.87 | 24.18 | 47.57 | 2 years | 28.40 | 16.01 | 40.78 |
Worse | Worse | ||||||
Preoperative | 68.50 | 64.15 | 72.84 | Preoperative | 87.86 | 84.46 | 91.25 |
3 months | 29.91 | 24.77 | 35.05 | 3 months | 32.52 | 28.37 | 36.67 |
1 year | 20.60 | 15.09 | 26.11 | 1 year | 16.39 | 11.96 | 20.82 |
2 years | 40.56 | 29.34 | 51.78 | 2 years | 39.45 | 30.17 | 48.74 |