Table 4.
Comparison between (1) patients before and after surgery (men n = 25, women n = 11) (ANOVA) (2) healthy subjects (men n = 25, women n = 25) from a previous study using the same fatigue-testing procedure [10] versus the patients (t-test), for the MF slope (% s−1), initial (Hz) and end (Hz) and endurance time
| Patients | ANOVA | Healthy subjects | t-test | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Before | After | psurgery | pgender | psurgeryXgender | ppost-hoc | pbefore-healthy | pafter-healthy | ||
| L1 slope a | |||||||||
| All | −0.11 (0.12) | −0.14 (0.07) | |||||||
| Men | −0.13 (0.06) | −0.13 (0.06) | 0.155 | 0.621 | 0.160 | −0.13 (0.06) | 0.983 | 0.994 | |
| Women | −0.08 (0.22) | −0.16 (0.09) | −0.09 (0.05) | 0.127 | 0.213 | ||||
| L5 slope a | |||||||||
| All | −0.20 (0.13) | −0.18 (0.13) | |||||||
| Men | −0.19 (0.06) | −0.16 (0.08) | 0.630 | 0.370 | 0.027* | 0.045* | −0.17 (0.07) | 0.219 | 0.950 |
| Women | −0.20 (0.15) | −0.23 (0.21) | 0.265 | −0.12 (0.06) | 0.047* | 0.021* | |||
| L1 initial | |||||||||
| All | 58 (7.4) | 54 (7.3) | |||||||
| Men | 60 (7.2) | 56 (7.4) | < 0.001*** | 0.006* | 0.672 | 62 (12) | 0.344 | < 0.001*** | |
| Women | 53 (6.2) | 49 (4.3) | 67 (11) | < 0.001*** | < 0.001*** | ||||
| L1 end | |||||||||
| All | 45 (7.1) | 42 (6.9) | |||||||
| Men | 45 (6.1) | 42 (6.6) | < 0.001*** | 0.952 | 0.271 | 37 (9.0) | < 0.001*** | 0.021* | |
| Women | 46 (9.2) | 40 (7.8) | 45 (9.7) | 0.761 | 0.235 | ||||
| L5 initial | |||||||||
| All | 76 (18) | 66 (13) | |||||||
| Men | 82 (15) | 69 (13) | 0.002* | < 0.001*** | 0.010** | < 0.001*** | 86 (17) | 0.398 | < 0.001*** |
| Women | 60 (12) | 59 (12) | 0.731 | 89 (15) | < 0.001*** | < 0.001*** | |||
| L5 end | |||||||||
| All | 50 (9.5) | 47 (9.5) | |||||||
| Men | 52 (10) | 47 (9.8) | 0.154 | 0.466 | 0.124 | 41 (14) | 0.003** | 0.088 | |
| Women | 47 (6.4) | 47 (9.3) | 52 (13) | 0.235 | 0.277 | ||||
| Endurance | |||||||||
| All | 175 (72) | 187 (86) | |||||||
| Men | 201 (58) | 216 (78) | 0.337 | < 0.001*** | 0.622 | 385 (127) | < 0.001*** | < 0.001*** | |
| Women | 117 (68) | 121 (70) | 380 (144) | < 0.001*** | < 0.001*** | ||||
a For the L1 and L5 slope one more woman was excluded due to too extreme values