Table 1 Descriptive statistics and evidence grading of the included meta-analyses of oral conditions
From: An umbrella review of the evidence linking oral health and systemic noncommunicable diseases
Dental Caries | Periodontal disease | Tooth loss | Edentulism | Endodontic conditions | Dental trauma | Tooth erosion | Dental implant conditions | Oral lesions | Bruxism | Othersa | |
|---|---|---|---|---|---|---|---|---|---|---|---|
Number of meta-analyses | 65 | 487 | 33 | 15 | 17 | 6 | 3 | 14 | 16 | 4 | 17 |
Number of studies, median (min-max) | 5 (2–32) | 6 (2–65) | 7 (2–19) | 4.5 (2–33) | 3 (2–10) | 4 (2–7) | 9 (9–10) | 7 (2–14) | 2 (2–11) | 17 (2–23) | 6 (2–32) |
Number of participants, median (min-max) | 812 (124–22,338) | 1001 (42–74,113,394) | 20,534 (246–5,507,766) | 31,855 (1,305–5,592,964) | 310 (80–670,714) | 1234 (380–5659) | 1112 (300–1550) | 676 (226–12,736) | 491 (402–12,391) | 3819 (180–4673) | 675 (96–10,064) |
Meta-analytical criterion, n (%) | |||||||||||
P value <10−6, n (%) | 18 (27.7) | 235 (48.3) | 21 (63.6) | 12 (80.0) | 8 (47.1) | 1 (16.7) | 2 (66.7) | 7 (50.0) | 8 (50.0) | 3 (75.0) | 7 (41.2) |
P value <10−3, n (%) | 8 (12.3) | 73 (15.0) | 6 (18.2) | 1 (6.7) | 3 (17.6) | 1 (16.7) | 1 (33.3) | 0 (0) | 0 (0) | 1 (25.0) | 3 (17.7) |
P value <0.05, n (%) | 9 (13.9) | 61 (12.5) | 1 (3.0) | 2 (13.3) | 1 (5.9) | 3 (50.0) | 0 (0) | 7 (50.0) | 0 (0) | 0 (0) | 4 (23.52) |
I2 >50%, n (%) | 46 (70.8) | 307 (63.0) | 24 (72.7) | 12 (80.0) | 7 (41.2) | 3 (50.0) | 2 (66.7) | 7 (50.0) | 10 (62.5) | 3 (75.0) | 12 (70.6) |
I2 ≤25%, n (%) | 13 (20.0) | 133 (27.3) | 3 (9.1) | 3 (20.0) | 8 (47.1) | 3 (50.0) | 0 (0) | 3 (21.4) | 6 (37.5) | 1 (25.0) | 5 (29.4) |
Overall grading, n (%) | |||||||||||
Not significant | 30 (46.2) | 118 (24.2) | 5 (15.2) | 0 (0) | 5 (29.4) | 1 (16.7) | 0 (0) | 5 (35.7) | 8 (50.0) | 0 (0) | 3 (17.6) |
Weak | 21 (32.3) | 171 (35.1) | 2 (6.1) | 3 (20.0) | 10 (58.8) | 4 (66.7) | 1 (33.3) | 9 (64.3) | 7 (43.8) | 1 (25.0) | 9 (52.9) |
Suggestive | 3 (4.6) | 44 (9.0) | 5 (15.2) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 1 (5.9) |
Highly suggestive | 7 (10.8) | 107 (22.0) | 13 (39.4) | 10 (66.7) | 1 (5.9) | 0 (0) | 2 (66.7) | 0 (0) | 1 (6.3) | 3 (75.0) | 2 (11.8) |
Strong | 4 (6.2) | 47 (9.7) | 8 (24.2) | 2 (13.3) | 1 (5.9) | 1 (16.7) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 2 (11.8) |
