Categories of complaints received by neonatal units
| Category of complaint | Studies that have reported such claims |
| Delay or incorrect diagnosis | Mangurten et al11 Hawdon et al19 Rennie et al20 Fallahi et al14 Fanos et al18 Donn and Fanaroff12 Zhou et al21 |
| Delay in or incorrect treatment (not including resuscitation) | Mangurten et al11 Hawdon et al19 Rennie et al20 Fallahi et al14 Donn and Fanaroff12 Zhou et al21 |
| Delay in resuscitation/emergency drugs | Muniraman et al16 Ashcroft17 Kaempf et al10 Berglund et al15 Zhou et al21 |
| Inappropriate initiation/continuation of resuscitation | Muniraman et al16 Kaempf et al10 Berglund et al15 |
| Communication issue | Muniraman et al16 Hawdon et al19 Ashcroft17 Nguyen et al13 Kaempf et al10 |
| Medication error | Fanos et al18 Berglund et al15 Zhou et al21 |
| General improper care | Mangurten et al11 Hawdon et al19 Fanos et al18 Zhou et al21 |
| Equipment issue | Mangurten et al11 Hawdon et al19 Rennie et al20 |
| Service issue (includes data/medical records loss) | Rennie et al20 Zhou et al21 |
| Procedural complications | Nguyen et al13 Fallahi et al14 |