Table 3 The results of subgroup analysis
Variables | Number of studies | Number of participants | Mean score of general health status (95% CI) | I2 | P-value |
|---|---|---|---|---|---|
Design of studies | |||||
Cross-sectional | 10 | 4077 | 52.32 (50.02–54.62) | 86.8% | 0.001 |
Case-control | 4 | 415 | 46.47 (38.87–54.08) | 93.3% | 0.001 |
Sample size | |||||
≤120 | 6 | 614 | 49.58 (43.11–56.05) | 92% | 0.001 |
> 120 | 8 | 3878 | 51.60 (48.95–54.24) | 90.7% | 0.001 |
Type of diabetes | |||||
Type 2 | 11 | 3702 | 50.46 (47.43–53.49) | 92.46% | 0.001 |
Both type (type 1 and 2) | 3 | 790 | 53.22 (51.37–55.07) | 0% | 0.001 |