Table 2.
Variables | PP0 (Pretreatment) | p-Value | PP1 (Post-Treatment) | p-Value | ||
---|---|---|---|---|---|---|
Delivery ≥ 32 Weeks (n = 105) |
Delivery < 32 Weeks (n = 9) |
Delivery ≥ 32 Weeks (n = 90) |
Delivery < 32 Weeks (n = 6) |
|||
IOS | 0.22 ± 0.07 | 0.30 ± 0.09 | 0.001 | 0.23 ± 0.08 | 0.34 ± 0.09 | 0.002 |
EOS | 0.26 ± 0.09 | 0.32 ± 0.08 | 0.063 | 0.26 ± 0.08 | 0.35 ± 0.09 | 0.018 |
ECI | 3.19 ± 1.09 | 4.00 ± 1.23 | 0.037 | 3.09 ± 0.95 | 4.03 ± 0.58 | 0.020 |
HR | 73.19 ± 14.77 | 61.17 ± 12.74 | 0.020 | 72.29 ± 15.40 | 53.24 ± 14.98 | 0.004 |
Data are presented as mean ± SD. PP0, baseline; PP1, post-treatment 1 week; IOS, mean of internal os strain; EOS, mean of external os strain; ECI, elasticity contrast index; HR, hardness ratio.