Table 5.
Dental Visit and Procedure Characteristics for Cohort 1 and Cohort 2
| Variable | Overall (N = 300) |
Received cephalosporin (N = 200) |
Did not receive cephalosporin (N = 100) |
P Value | Unadjusted OR (95% CI) |
|---|---|---|---|---|---|
| Extraction type | .9601 | ||||
| No extraction | 235 (78.3) | 157 (78.5) | 78 (78.0) | Reference | |
| Simple extraction | 34 (11.3) | 23 (11.5) | 11 (11.0) | 1.04 (0.48–2.24) | |
| Surgical extraction | 31 (10.3) | 20 (10.0) | 11 (11.0) | 0.90 (0.41–1.98) | |
| Invasiveness | .6600 | ||||
| Routine | 139 (46.3) | 91 (45.5) | 48 (48.0) | Reference | |
| Mildly invasive | 37 (12.3) | 23 (11.5) | 14 (14.0) | 0.87 (0.41–1.84) | |
| Invasive | 124 (41.3) | 86 (43.0) | 38 (38.0) | 1.19 (0.71–2.00) | |
| Procedure type | |||||
| Adjunct | 32 (10.7) | 23 (11.5) | 9 (9.0) | .5084 | 1.31 (0.59–2.96) |
| Diagnostic | 205 (68.3) | 137 (68.5) | 68 (68.0) | 1.00 | 1.02 (0.61–1.71) |
| Endodontics | 16 (5.3) | 11 (5.5) | 5 (5.0) | .8558 | 1.11 (0.37–3.27) |
| Implant services | 26 (8.7) | 20 (10.0) | 6 (6.0) | .2457 | 1.74 (0.68–4.48) |
| Maxillofacial prosthetics | 1 (0.3) | 1 (0.5) | 0 (0) | 1.00 a | >999 (<0.001–>999) |
| Oral & maxillofacial surgery | 76 (25.3) | 52 (26.0) | 24 (24.0) | .7073 | 1.11 (0.64–1.94) |
| Orthodontics | 0 (0) | 0 (0) | 0 (0) | … | … |
| Periodontics | 24 (8.0) | 13 (6.5) | 11 (11.0) | .1756 | 0.56 (0.24–1.31) |
| Preventive | 7 (2.3) | 3 (1.5) | 4 (4.0) | .2272 a | 0.37 (0.08–1.67) |
| Prosthodontics | 13 (4.3) | 10 (5.0) | 3 (3.0) | .5548 a | 1.70 (0.46–6.32) |
| Prosthodontics fixed | 4 (1.3) | 3 (1.5) | 2 (2.0) | 1.00 a | 1.51 (0.16–14.68) |
| Restorative | 35 (11.7) | 20 (1.0) | 15 (15.0) | .2035 | 0.63 (0.31–1.29) |
| Dentist subtype | |||||
| General dentist | 244 (81.3) | 165 (82.5) | 79 (79.0) | .4633 | 1.25 (0.69–2.29) |
| Endodontist | 6 (2.0) | 4 (2.0) | 2 (2.0) | 1.00 a | 1.00 (0.18–5.56) |
| Oral & Maxillofacial | 41 (13.7) | 24 (12.0) | 17 (17.0) | .2346 | 0.67 (0.34–1.31) |
| Periodontist | 15 (5.0) | 11 (5.5) | 4 (4.0) | .5741 | 1.40 (0.43–4.50) |
| Prosthodontist | 5 (1.7) | 5 (2.5) | 0 (0) | .1734 a | >999 (<0.001–>999) |
| Other | 23 (7.7) | 16 (8.0) | 7 (7.0) | .7589 | 1.16 (0.46–2.91) |
| Antibiotic associated with visit | |||||
| Amoxicillin | 12 (4.0) | 3 (1.5) | 9 (9.0) | .0032 a | 0.15 (0.04–0.58) |
| Clindamycin | 101 (33.7) | 18 (9.0) | 83 (83.0) | <.0001 | 0.02 (0.01–0.04) |
| Cephalexin | 200 (66.7) | 200 (100.0) | 0 (0) | <.0001 | >999 (<0.001–>999) |
| Azithromycin | 7 (2.3) | 3 (1.5) | 4 (4.0) | .2272 a | 0.37 (0.08–1.67) |
| Penicillin | 3 (1.0) | 0 (0) | 3 (3.0) | .0363 a | <0.001 (<0.001–>999) |
| Doxycycline | 2 (0.7) | 0 (0) | 2 (2.0) | .1104 a | <0.001 (<0.001–>999) |
| Metronidazole | 4 (1.3) | 4 (2.0) | 0 (0) | .3052 a | >999 (<0.001–>999) |
| Fluoroquinolone | 1 (0.3) | 1 (0.5) | 0 (0) | 1.00 a | >999 (<0.001–>999) |
| Reaction after antibiotic prescription date | |||||
| Antibiotic hypersensitivity within 14 d | 0 (0) | 0 (0) | 0 (0) | … | … |
| Antibiotic hypersensitivity within 30 d | 1 (0.3) | 1 (0.5) | 0 (0) | 1.00 a | >999 (<0.001–>999) |
| Anaphylaxis within 14 d | 0 (0) | 0 (0) | 0 (0) | … | … |
| Anaphylaxis within 30 d | 0 (0) | 0 (0) | 0 (0) | … | … |
Note. Significant results are shown in bold (P < .05).
a
Fisher exact test.