Table 2 Cross-sectional areas of LDH, dural sac area, and disc height measured over two time-points (Time 2–3), presented as means with 95 % confidence intervals, for disc levels L3-L4, L4-L5, and L5-S1
Level & Time | Disc levels (n) | Mean size [95 % Confidence Intervals] (mm2) | ||
|---|---|---|---|---|
LDH | Dural Sac | Intervertebral Height | ||
L3-L4 | ||||
Time 2 | 9 | 123 [98; 148] | 252 [214; 290] | 392 [337; 448] |
Time 3 | 9 | 119 [94; 144] | 249 [202; 295] | 377 [316; 439] |
L4-L5 | ||||
Time 2 | 23 | 151 [139; 162] | 202 [172; 232] | 431 [392; 470] |
Time 3 | 23 | 147 [135; 159] | 202 [170; 234] | 425 [391; 459] |
L5-S1 | ||||
Time 2 | 28 | 163 [148; 177] | 338 [309; 368] | 427 [396; 457] |
Time 3 | 28 | 159 [145; 173] | 336 [306; 365] | 425 [395; 455] |