Table 2.
Chi-square test for APOs and couples' infections or symptoms.
| Characteristics | Normal pregnancy | APOs | % of APOs | χ2 | P |
|---|---|---|---|---|---|
| Female | |||||
| Age (years) | 21.73 | <0.001 | |||
| 20–25 | 160 | 23 | 12.57 | ||
| 26–30 | 935 | 199 | 17.55 | ||
| 30–35 | 330 | 99 | 23.08 | ||
| >35 | 46 | 24 | 34.29 | ||
| Candida | <0.01 | 1.000 | |||
| No | 1,301 | 305 | 18.99 | ||
| Yes | 170 | 40 | 19.05 | ||
| BV | 0.04 | 0.839 | |||
| No | 1,427 | 336 | 19.06 | ||
| Yes | 44 | 9 | 16.98 | ||
| Vaginal cleanliness | 2.85 | 0.415 | |||
| I | 235 | 59 | 20.07 | ||
| II | 26 | 9 | 25.71 | ||
| III | 933 | 204 | 17.94 | ||
| IV | 277 | 73 | 20.86 | ||
| Urine occult blood | 0.32 | 0.572 | |||
| No | 1,268 | 302 | 19.24 | ||
| Yes | 203 | 43 | 17.48 | ||
| Proteinuria | 3.31 | 0.069 | |||
| No | 1,391 | 335 | 19.41 | ||
| Yes | 80 | 10 | 11.11 | ||
| Urine white blood cells | <0.01 | 0.947 | |||
| No | 1,236 | 291 | 19.06 | ||
| Yes | 235 | 54 | 18.69 | ||
| CT | <0.01 | 1.000 | |||
| No | 1,409 | 330 | 18.98 | ||
| Yes | 62 | 15 | 19.48 | ||
| Male | |||||
| Age (years) | 16.76 | 0.001 | |||
| 22–25 | 78 | 10 | 11.36 | ||
| 26–30 | 768 | 164 | 17.6 | ||
| 30–35 | 524 | 127 | 19.51 | ||
| >35 | 101 | 44 | 30.34 | ||
| Urine occult blood | <0.01 | 1.000 | |||
| No | 1,358 | 319 | 19.02 | ||
| Yes | 113 | 26 | 18.71 | ||
| Proteinuria | <0.01 | 1.000 | |||
| No | 1,379 | 323 | 18.98 | ||
| Yes | 92 | 22 | 19.30 | ||
| Urine white blood cells | <0.01 | 1.000 | |||
| No | 1,439 | 337 | 18.98 | ||
| Yes | 32 | 8 | 20.00 | ||
| CT | 0.35 | 0.552 | |||
| No | 1,416 | 335 | 19.13 | ||
| Yes | 55 | 10 | 15.38 | ||
| CT-concordant status | — | 0.165* | |||
| Non-infected couples | 1,397 | 326 | 18.92 | ||
| Female GCT-discordant | 19 | 9 | 32.14 | ||
| Male GCT-discordant | 12 | 4 | 25.00 | ||
| GCT-concordant | 43 | 6 | 12.24 |
*Fisher test.