Mean ± SD | P-value | |
---|---|---|
Group (n = 4536) | 1.14 ± 0.37 | < 0.001 |
OPT (n = 570) | 1.02 ± 0.16 | |
INT (n = 162) | 1.09 ± 0.30 | |
ORT (n = 820) | 1.09 ± 0.29 | |
NEU (n = 276) | 1.12 ± 0.32 | |
ENT (n = 872) | 1.13 ± 0.34 | |
GYN (n = 58) | 1.14 ± 0.35 | |
DER (n = 1472) | 1.19 ± 0.43 | |
REU (n = 306) | 1.37 ± 0.50 |