Table 3.
Comparison of patients’ blood calcium levels among the 4 groups (Mean ± SD)
| Group | Total | Serum calcium concentration (mmol/L) | P | |||
|---|---|---|---|---|---|---|
|
|
||||||
| Before surgery | After surgery | |||||
|
|
||||||
| 1-3 days | 4-7 days | > 7 days | ||||
| A | 33 | 2.37±0.08 | 2.15±0.17 | 2.23±0.15 | 2.29±0.11 | P < 0.05 |
| B | 30 | 2.36±0.10 | 2.02±0.15 | 2.09±0.19 | 2.15±0.25 | |
| C | 34 | 2.38±0.13 | 2.03±0.16 | 2.11±0.20 | 2.16±0.18 | |
| D | 35 | 2.40±0.14 | 2.18±0.16 | 2.15±0.22 | 2.25±0.18 | |
*Continuous variables are presented as mean ± SD. The differences were statistical significant between individual groups (All P < 0.05).