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Pair-wise comparisons of Masood Cytology Index score and epithelial cell count among study sites
| Variable | Study site | Least squares mean | Pairwise comparison | P |
|---|---|---|---|---|
| Masood score | Duke | 13.32 | Duke vs. OSU | 0.4113 |
| OSU | 13.69 | OSU vs. RPCI | <0.0001 | |
| RPCI | 10.38 | RPCI vs. Duke | 0.0002 | |
| Cell count | Duke | 5.90 | Duke vs. OSU | 0.5523 |
| OSU | 6.80 | OSU vs. RPCI | 0.0058 | |
| RPCI | 2.80 | RPCI vs. Duke | 0.0113 |
