Table 1 Comparison of general characteristics between groups
Variables | Total (n = 32) | Simple (n = 16) | Cross-mattress (n = 16) | P-value* |
|---|---|---|---|---|
Age (years), mean ± SD | 42.78 ± 5.99 | 42.25 ± 7.41 | 43.31 ± 4.11 | 0.621 |
Sex, N (%) | ||||
Male | 21 (65.6) | 10 (62.5) | 11 (68.8) | 0.710† |
Female | 11 (34.4) | 6 (37.5) | 5 (31.2) | |
Plaque index (%), mean ± SD | 14.87 ± 4.37 | 14.52 ± 4.88 | 15.21 ± 3.79 | 0.658 |