| 剖宫产指征 | 2013 | 2014 | 2015 | 2016 | 2017 | χ2 | P |
| 社会因素 | 278 (5.65) | 279 (4.66) | 136 (2.53) | 126 (1.94) | 72 (1.09) | 284.23 | 0.001 |
| 瘢痕子宫 | 562 (11.42) | 869 (17.38) | 933 (17.38) | 1650 (25.38) | 1762 (26.69) | 670.28 | 0.001 |
| 胎膜早破 | 709 (14.40) | 809 (13.53) | 620 (11.55) | 689 (10.60) | 707 (10.71) | 63.45 | 0.001 |
| 重度子痫 | 405 (8.23) | 513 (8.58) | 478 (8.91) | 555 (8.54) | 501 (7.59) | 7.952 | 0.093 |
| 羊水过少 | 426 (8.65) | 504 (8.43) | 383 (7.14) | 408 (6.27) | 464 (7.03) | 34.14 | 0.001 |
| 妊娠期糖尿病 | 252 (5.12) | 387 (6.47) | 388 (7.23) | 276 (4.24) | 454 (6.88) | 68.22 | 0.001 |
| 前置胎盘 | 210 (4.27) | 292 (4.88) | 278 (5.18) | 385 (5.92) | 347 (5.26) | 16.85 | 0.002 |
| 双胎妊娠 | 84 (1.71) | 130 (2.17) | 147 (2.74) | 147 (2.26) | 178 (2.70) | 17.00 | 0.002 |
| 臀位 | 99 (2.01) | 105 (1.76) | 141 (2.63) | 269 (4.14) | 163 (2.47) | 83.08 | 0.001 |
| 脐带绕颈 | 397 (8.06) | 356 (5.95) | 276 (5.14) | 206 (3.17) | 160 (2.42) | 255.39 | 0.001 |
| 宫内窘迫 | 35 (0.71) | 42 (0.70) | 87 (1.62) | 178 (2.74) | 159 (2.41) | 125.96 | 0.001 |
| 巨大儿 | 165 (3.35) | 185 (3.09) | 180 (3.35) | 207 (3.18) | 142 (2.15) | 21.72 | 0.001 |
| 羊水胎粪污染 | 197 (4.00) | 192 (3.21) | 134 (2.50) | 107 (16.65) | 86 (1.30) | 118.62 | 0.001 |
| 其他 | 1104 (22.43) | 1318 (22.04) | 1186 (22.10) | 1299 (19.98) | 1406 (21.30) | 13.73 | 0.008 |