Table 4.
Comparison between the 2 groups.
| Group C (control) | Group T (trial) | Z (χ2) value | P | |
| cases | 60 | 60 | ||
| Time at simple teaching, min | 6 (4,8) | 5.5 (4,8) | −0.884 | .377 |
| Time at detailed teaching, min | 10 (8,13) | 8 (6,11) | −3.278 | .001 |
| Time for mastery, min | 16 (13,18) | 10 (8,13) | −7.541 | .000 |
| Success rate of the first actual subcutaneous operation | 28 (60) 46.67% | 44 (60) 73.33% | 10.375 | .006 |
| Score in first real subcutaneous operation (points) | 12 (11,14) | 18 (16,19) | −9.457 | .000 |
| Time required for once insulin injection, min | 2.45 (1.8,2.98) | 2.00 (1,2) | −6.146 | .000 |
| Score at pre-discharge (points) | 13 (11,15) | 18 (16,19) | −9.061 | .000 |
| Score at 1 month after discharge (points) | 13 (12,15) | 18 (17,19) | −9.226 | .000 |
| Rate of subcutaneous fat hyperplasia | 9 (60) 15.0% | 2 (60) 3.3% | 4.904 | .027 |
| Rate of hypoglycemia | 16 (60) 26.7% | 10 (60) 16.7% | 1.768 | .184 |
| Z = −3.274<!-—<LBREAK"/>-->∗P < .01 | Z = −3.071<!-—<LBREAK"/>-->∗P < .01 |
∗
P indicates the comparison of the indicators of both groups before and after discharge.