The phrase "are substantially incomplete" is correct and usable in written English.
It can be used to describe something that is significantly lacking or not fully finished, often in a formal or academic context.
Example: "The reports submitted by the team are substantially incomplete, lacking key data and analysis required for the final evaluation."
Alternatives: "are significantly lacking" or "are largely unfinished."
This is irrelevant: European countries with statutory, national cancer registration have survival that is higher than (Finland), similar to (Denmark), and lower than (Slovenia) survival in the UK. 4 Artefactual differences in survival could also arise if information on the death of patients with cancer was substantially incomplete in one population.
In all but one of the cases, the investigations conducted prior to the child's death were "substantially inadequate and incomplete," the report said.
Endometrial cancer risk did not appear to be substantially influenced by incomplete pregnancies, histories of infertility, or years of breastfeeding.
We know now that mutation penetrance (the percentage of subjects bearing a mutation who express the phenotype) is highly variable and may be substantially delayed or incomplete.
This feature is extremely important especially for non-model species, where the knowledge of the transcriptome is often substantially incomplete.
It has been substantially limited, however, by late, incomplete, and poor- quality data submissions by chemical producers (Denison 2007; Denison and Florini 2004).
Similar modification was observed for the presence of both structural and functional renal impairment: the hazard ratio was substantially higher among participants with incomplete follow-up (hazard ratio 11.4 (1.4 to 93.2)) compared with committed responders (2.4 (1.0 to 5.9)) (a three-group comparison was not possible because of small cell sizes).
"We conclude," the report says, "that PPP should not proceed" unless "it meets much more rigorous safety and value criteria, and if it is substantially amended to protect against the risk that contracts are incomplete and overgenerous".
This was substantially true.
Now, it is substantially unchanged.
