Table 1.

Categories of Titles According to “To Which Extent Reflecting the Manuscript’s Content” .

1.	Type 1: A title reflecting only the theme (problem, hypothesis, or question)
	“Routine mid-trimester administration of metronidazole to reduce preterm birth”
	1’ (bottom) indicates the worst titles of this type.
2.	Type 2: A title reflecting the materials and methods (M&M)
	“Routine mid-trimester administration of metronidazole to reduce preterm birth: A double-blind study on 1000 pregnant women”
3.	Type 3: A title reflecting the results
	“Efficacy of routine mid-trimester administration of metronidazole to reduce preterm birth: A double-blind study on 1000 pregnant women”
	“Decrease of preterm birth rate in women with routine mid-trimester administration of metronidazole: A double-blind study on 1000 pregnant women”
4.	Type 4: A title reflecting the study’s significance
	“A new recommended strategy of routine mid-trimester metronidazole administration to effectively reduce preterm birth: A double-blind study on 1000 pregnant women”
	“A routine mid-trimester administration of metronidazole as a new recommended strategy to effectively reduce preterm birth: A double-blind study on 1000 pregnant women”
1’:	Extreme examples of the type 1 title, the worst titles.
	“Study on the relationship between routine mid-trimester administration of metronidazole and preterm birth” (“Research into” or “Analysis of”)
	“Prophylactical administration of antibiotics for preterm birth”

Types 1, 2, 3, and 4 reflect the theme, up to M&M, results, and study significance, respectively. The title is more informative in this order.