Table 2.
Numbers (percentages) of referrals with each baseline investigation carried out before referral and mean number of investigations conducted per patient
| Investigation | Intervention practices | Control practices | Odds ratio (95% CI) | P value |
|---|---|---|---|---|
| No of referrals | 249 | 304 | ||
| Midluteal progesterone concentration | 140 (56) | 147 (48) | 1.46 (0.93 to 2.31) | >0.5 |
| Semen analysis checked | 93 (37) | 93 (31) | 1.34 (0.84 to 2.13) | >0.5 |
| Cervical smear recorded as checked in past 3 years | 214 (86) | 26 (86) | 1.05 (0.53 to 2.00) | >0.5 |
| Advice given about folic acid supplementation | 142 (57) | 151 (50) | 1.31 (0.85 to 2.02) | >0.5 |
| Rubella immunity status checked | 111 (45) | 110 (36) | 1.41 (0.93 to 2.15) | >0.5 |
| Mean No of tests | 2.81 | 2.50 | 1.32 (1.00 to 1.75) | 0.05 |