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. 2013 Apr 5;15(4):350–355. doi: 10.5812/ircmj.9863

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)