Table 5.
Composite Descriptive Statistics Comparing Original Versus Edited PEMs Included in the Present Study
| Measurement | Original PEMs |
Edited PEMs |
Change in Mean | P Value | ||
|---|---|---|---|---|---|---|
| Mean | SD | Mean | SD | |||
| Number of words (total) | 1351.7 | 600.3 | 1215.5 | 584.4 | –136.2 | P = .00042 |
| Number of words per sentence | 15.8 | 2.4 | 11.1 | 1.7 | –4.7 | P = 5.8E-12 |
| Mean characters per word | 5.0 | 0.2 | 4.7 | 0.1 | –0.3 | P = 3.3E-11 |
| Mean syllables per word | 1.9 | 0.3 | 1.5 | 0.5 | –0.4 | P = .23 |
| % of 3+ syllable words | 17.60% | 3.10% | 11.70% | 2.80% | 5.9% | P = 7.2E-10 |
| No. of 3+ syllable words | 242.2 | 129.1 | 146.6 | 100.2 | –95.6 | P = 1.3E-7 |
PEMs, patient education materials; SD, standard deviation.