Table 2.
Demographics by disease progression (DP).
| Non-DP n=58 | DP n=23 | p-value | |
|---|---|---|---|
| Mean Age, years (SD) | 42.31 (10.70) | 47.70 (8.75) | 0.023c |
| Gender n (%) | 0.44a | ||
| Female | 23 (39.66%) | 7 (30.43%) | |
| Male | 35 (60.34%) | 16 (69.57%) | |
| Ethnicity n (%) | 0.92b | ||
| Caucasian | 22 (37.93%) | 10 (43.84%) | |
| African-American | 12 (20.69%) | 5 (21.74%) | |
| Asian | 6 (10.34%) | 1 (4.35%) | |
| Other | 18 (31.03%) | 7 (30.43%) | |
| Treatment Type | 0.59a | ||
| OHI-PL | 18 (31.03%) | 7 (30.43%) | |
| OHI-PUFA | 17 (29.31%) | 4 (17.39%) | |
| SRP-PL | 9 (15.51%) | 6 (26.08%) | |
| SRP-PUFA | 14 (24.13%) | 6 (26.08%) | |
| Baseline AL mean (SD) | 1.52 (1.04) | 2.65 (1.23) | <0.0001d |
| Baseline PD mean (SD) | 3.34 (0.53) | 3.78 (0.81) | 0.0204b |
| Baseline BOP mean (SD) | 1.30 (0.69) | 1.41 (0.61) | 0.40d |
| Baseline PI mean (SD) | 0.69 (0.31) | 0.71 (0.30) | 0.98d |
a
Chi-square test,
b
Fisher’s exact test,
c
T-test,
d
Wilcoxon rank sum test
AL: attachment loss; BOP: bleeding on probing; DP: disease progression; OHI: oral hygiene instructions only; PD: pocket depth; PL: placebo; PUFA: n-3 polyunsaturated fatty acids fish oil capsules; SRP: scaling and root planing; SD: standard deviation