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Comparison of the 5-HTTLPR genotype frequencies between the PPD and control groups.
| 5-HTTLPR genotype frequencies | ||||
|---|---|---|---|---|
|
|
||||
| Group | N | L/L, % (n) | L/S, % (n) | S/S, % (n) |
| PPD | 120 | 4.17 (5)a | 38.33 (46) | 57.50 (69) |
| Control | 140 | 15.83 (19) | 39.17 (47) | 52.86 (74) |
| Total | 260 | 9.23 (24) | 35.77 (93) | 55.00 (143) |
Compared with the control group, χ2=6.854 and P=0.032.
PPD, postpartum depression; L, long; S, short.
