Table 3. Correlation of ETswith Number of Previous Performed D & C.
D&C Number | 0 | 1 | 2 | 3 | 4 | Significanta | Spearman’s Correlation coefficient |
---|---|---|---|---|---|---|---|
ETs, Mean ± SD | |||||||
1st measurement | 10.00 ± 0.58 | 9.83 ± 0.47 | 8.90 ± 0.92 | 7.42 ± 0.18 | 7.40 ± 0.07 | 0.000 | -0.33b |
2nd measurement | 10.62 ± 0.68 | 9.64 ± 0.49 | 8.48 ± 0.96 | 6.32 ± 0.15 | 6.90 ± 0.04 | 0.000 | -0.66b |
aSig. at P < 0.01
bCorrelation is significant at the 0.01 level (2-tailed)