TABLE 1.
| CHARACTERISTIC | OVERALL STUDY POPULATION (N = 576) |
VEHICLE (n = 115) |
10 PERCENT BENZOCAINE (n = 233) |
20 PERCENT BENZOCAINE (n = 228) |
|---|---|---|---|---|
|
| ||||
| Sex, No. (%) | ||||
| Male | 276 (47.9) | 53 (46.1) | 113 (48.5) | 110 (48.2) |
| Female | 300 (52.1) | 62 (53.9) | 120 (51.5) | 118 (51.8) |
|
| ||||
| Age, Years | ||||
| Mean (SD‡) | 31.1 (12.7) | 31.2 (12.6) | 30.8 (12.7) | 31.3 (12.8) |
| Range | 12-82 | 12-65 | 12-82 | 13-70 |
|
| ||||
| Adolescents, No. (%) | ||||
| 12-14 years | 31 (5.4) | 7(6.1) | 13 (5.6) | 11 (4.8) |
| 15-17 years | 69 (12.0) | 13 (11.3) | 33 (14.2) | 23 (10.1) |
|
| ||||
| Race, No. (%) | ||||
| Black | 365 (63.4) | 78 (67.8) | 145 (62.2) | 142 (62.3) |
| White | 180 (31.3) | 31 (27.0) | 73 (31.3) | 76 (33.3) |
| Asian | 14 (2.4) | 3 (2.6) | 7 (3.0) | 4 (1.8) |
| Other (mixed racial origins) | 10 (1.7) | 2(1.7) | 5(2.1) | 3(1.3) |
| American Indian/Alaskan | 5 (0.9) | 1 (0.9) | 3(1.3) | 1 (0.4) |
| Native | ||||
| Native Hawaiian/ other Pacific Islander |
1 (0.2) | 0 (0) | 0 (0) | 1 (0.4) |
| Not reported | 1 (0.2) | 0(0) | 0(0) | 1 (0.4) |
|
| ||||
| Ethnicity, No. (%) | ||||
| Non-Hispanic or non-Latino | 537 (93.2) | 108 (93.9) | 218 (93.6) | 211 (92.5) |
| Hispanic or Latino | 39 (6.8) | 7(6.1) | 15 (6.4) | 17 (7.5) |
|
| ||||
| Weight, Pounds | ||||
| Mean (SD) | 179.3 (51.2) | 184.8 (54.4) | 179.5 (54.2) | 176.4 (46.1) |
| Range | 66-410 | 104-366 | 83-410 | 66-350 |
|
| ||||
|
Baseline Pain Dental
Pain Scale Score, No. (%) |
||||
| Moderate | 354 (61.5) | 71 (61.7) | 144 (61.8) | 139 (61.0) |
| Severe | 222 (38.5) | 44 (38.3) | 89 (38.2) | 89 (39.0) |
|
| ||||
|
Baseline Pain Visual
Analog Scale Score, Millimeters |
||||
| Mean (SD) | 73.5 (14.3) | 74.1 (13.4) | 73.3 (14.5) | 73.5 (14.7) |
| Range | 49-100 | 51-100 | 49-100 | 50-100 |
*
Not all percentage totals equal 100 percent owing to rounding.
†
Treatment groups were comparable with respect to their demographic and baseline characteristics.
‡
SD: Standard deviation.