| Id |
Subject |
Object |
Predicate |
Lexical cue |
| T135 |
0-198 |
Sentence |
denotes |
Lack of a placebo control group; Design introduces the possibility of biased investigator determined assessment and unbalanced dosage adjustment; Randomization of sequential envelopes may be biased. |
| T136 |
199-382 |
Sentence |
denotes |
The antiviral efficacy of HCQ was not assessed at an earlier stage; Most patients are mild to severe, and the effect of HCQ on disease progression or regression could not be provided. |
| T137 |
383-459 |
Sentence |
denotes |
The trial terminated early due to the difficulty to recruit enough patients. |
| T138 |
460-672 |
Sentence |
denotes |
Some secondary endpoints could not be analyzed by the cutoff date; Viral RNA specimens are mostly from the upper respiratory tract rather than bronchoalveolar lavage fluid, which may cause false negative results. |
