Table 4.
Test statisticsa. aWilcoxon signed ranks test. bBased on positive ranks. cBased on negative ranks.
| vas2w-vaspi | Vas1m-vaspi | Vas3m-vaspi | Vas4m-vaspi | Vas6m-vaspi | |
|
| |||||
| Z | −4,390b | −4,410b | −4,395b | −4,392b | −4,124b |
| Asymp.Sig. (2-tailed) | ,000 | ,000 | ,000 | ,000 | ,000 |
|
| |||||
| vas1m-vas2w | vas3m-vas2w | Vas4m-vas2w | vas6m-vas2w | ||
|
| |||||
| Z | −3,257b | −2,751b | −1,629b | −2,644c | |
| Asymp.Sig. (2-tailed) | ,001 | ,006 | ,103 | ,008 | |
|
| |||||
| vas3m-vas1m | vas4m-vas1m | vas6m-vas1m | vas4m-vas3m | ||
|
| |||||
| Z | −,736c | −2,656c | −4,234c | −2,762c | |
| Asymp.Sig. (2-tailed) | ,461 | ,008 | ,000 | ,006 | |
|
| |||||
| vas6m-vas3m | Vas6m-vas4m | ||||
|
| |||||
| Z | −4,148c | −4,239c | |||
| Asymp.Sig. (2-tailed) | ,000 | ,000 | |||
vaspi: VAS score at preinjection; vas2w: VAS score at 2 weeks (after injection); vas1m: VAS score in first month; vas3m: VAS score in third month; vas4m: VAS score in fourth month; vas6m: VAS score in sixth month.