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Levels of the atropine sulfate at the 12th week compared to freshly prepared samples
| NR | NF | LR | LF | |
|---|---|---|---|---|
| #Samples | 8 | 8 | 8 | 8 |
| Freshly prepared | 0.01224 | 0.01224 | 0.01227 | 0.01227 |
| Week 12 | 0.01146 | 0.01086 | 0.01089 | 0.01181 |
| Difference | 0.00078 | 0.00138 | 0.00138 | 0.00046 |
| p-value | 0.231 | 0.172 | 0.295 | 0.295 |
*N normal saline-based, L lubricant-based, R room temperature, F refrigerator
