| Subgroup Analysis | Number of Studies Included | Results of Heterogeneity Test | Effect Model | Results of Meta-analysis (%, 95% CI) | |
| I2 (%) | P Value | ||||
| The total patient delay rate | 60 [3, 4, 11 - 68] | 98.95 | <0.001 | Random | 46.4 (44.3, 48.4) |
| Gender |
|
|
|
|
|
| Male | 13 [3, 4, 17, 18, 24 - 26, 28, 34, 37, 52, 53, 62] | 98.89 | <0.001 | Random | 46.8 (42.4, 51.1) |
| Female | 13 [3, 4, 17, 18, 24 - 26, 28, 34, 37, 52, 53, 62] | 98.85 | <0.001 | Random | 50.4 (45.7, 55.0) |
| Region |
|
|
|
|
|
| East | 28 [11 - 14, 20, 21, 23, 25, 28 - 31, 34, 38, 43, 47, 50, 51, 54 - 60, 64 - 66] | 96.73 | <0.001 | Random | 42.3 (37.2, 47.4) |
| Central | 7 [32, 33, 35, 41, 48, 49, 67] | 96.54 | <0.001 | Random | 45.6 (37.3, 53.8) |
| West | 23 [4, 15 - 19, 22, 24, 26, 27, 36, 37, 39, 40, 42, 45, 46, 52, 53, 61 - 63, 68] | 99.40 | <0.001 | Random | 50.5 (47.4, 53.6) |
| Time |
|
|
|
|
|
| 2018-2020 | 2 [4, 20] | 96.53 | <0.001 | Random | 28.3 (9.6, 46.9) |
| 2015-2017 | 6 [4, 23, 31, 37, 40, 47] | 93.20 | <0.001 | Random | 49.0 (41.2, 56.8) |
| 2012-2014 | 8 [23, 31, 40 - 42, 47, 50, 51] | 96.70 | <0.001 | Random | 46.4 (36.8, 56.1) |
| 2007-2011 | 3 [42, 59, 61] | 62.64 | 0.069 | Random | 39.7 (37.3, 42.0) |
| Study stage |
|
|
|
|
|
| Primary school | 6 [24, 25, 28, 37, 55, 61] | 76.48 | 0.001 | Random | 50.3 (37.8, 62.8) |
| Junior high school | 7 [17, 24, 25, 28, 36, 37, 55] | 63.41 | 0.012 | Random | 49.8 (44.8, 54.8) |
| Senior high school | 7 [17, 24, 25, 28, 36, 37, 55] | 92.82 | <0.001 | Random | 40.7 (34.8, 46.6) |
| University | 7 [17, 25, 28, 37, 53, 55, 61] | 95.92 | <0.001 | Random | 44.9 (37.3, 52.5) |
| Nationality |
|
|
|
|
|
| The Han | 6 [4, 16, 19, 24 - 26] | 94.85 | <0.001 | Random | 50.3 (48.1, 52.5) |
| Others (ethnic minorities) | 6 [4, 16, 19, 24 - 26] | 97.29 | <0.001 | Random | 53.9 (49.9, 57.9) |
| Household registration type |
|
|
|
|
|
| Local | 5 [4, 15, 24 - 26] | 96.92 | <0.001 | Random | 47.2 (44.1, 50.3) |
| Non-local | 5 [4, 15, 24 - 26] | 89.82 | <0.001 | Random | 50.5 (47.0, 54.0) |
| Detection method |
|
|
|
|
|
| Consultation due to symptoms | 11 [4, 19, 24 - 26, 28, 37, 51, 53, 55, 62] | 98.21 | <0.001 | Random | 50.5 (45.2, 55.7) |
| Recommendation due to symptoms | 5 [4, 24, 26, 28, 55] | 89.78 | <0.001 | Random | 51.6 (37.4, 65.9) |
| Referral | 9 [4, 25, 26, 28, 37, 51, 53, 55, 62] | 97.27 | <0.001 | Random | 46.6 (38.3, 54.9) |
| Tracking | 6 [4, 26, 37, 51, 53, 62] | 89.81 | <0.001 | Random | 55.6 (48.3, 63.0) |
| Healthy physical examination | 7 [19, 24, 26, 28, 37, 51, 55] | 91.77 | <0.001 | Random | 16.2 (10.4, 22.0) |
| Treatment classification |
|
|
|
|
|
| Initial treatment | 8 [3, 4, 17, 19, 24, 26, 34, 52] | 99.61 | <0.001 | Random | 53.1 (48.3, 57.9) |
| Retreatment | 9 [3, 4, 17, 19, 24 - 26, 34, 52] | 92.62 | <0.001 | Random | 59.6 (51.7, 67.6) |
| Diagnostic results |
|
|
|
|
|
| With positive etiology | 6 [17, 24 - 26, 37, 52] | 98.79 | <0.001 | Random | 55.9 (47.8, 64.0) |
| With negative etiology | 6 [17, 24 - 26, 37, 52] | 99.06 | <0.001 | Random | 47.0 (40.9, 53.2) |
| Without etiological results | 4 [24 - 26, 37] | 76.25 | 0.006 | Random | 51.6 (35.2, 68.0) |
| Severe or non-severe |
|
|
|
|
|
| Severe | 4 [4, 24, 26, 52] | 98.15 | <0.001 | Random | 59.4 (47.4, 71.4) |
| Non-severe | 4 [4, 24, 26, 52] | 99.61 | <0.001 | Random | 52.9 (43.8, 61.9) |