Table 4

Overview of the results of the included studies

Study IDMortalityAny-grade IVHSevere IVHAny-stage ROPSevere ROPLOSNEC undefinedSevere NECCLDPVLDisability/developmental outcome
UAUAUAUAUAUAUAUAUAUAUA
Ahmadpour Kacho 201437 ...... ..............
Akmal 2017A11 . ....... ..........
Akmal 2017B11 . ....... ..........
Alexandrou 2010A7 ..................
Alexandrou 2010B7 ....................
Auerbach 201314 .... ................
Bermick 2016A15 ... .................
Bermick 2016B15 ... .................
Bermick 2016C15 .. .................
Blanco 200638 ... ............
Bochkova 201939 ......................
Bozdag 201240 ...... .............
Cardona 201441 ...... ...............
Chavez Valdez 201142 ........ ............
Chen 200143 ... ............ ...
De Carolis 201516 . . . . . ..........
Ertl 200644 ...... ..............
Garg 200345 ........ ............
Goldner Perez 201946 ........... .....
Hays 20061 .. ................
Heimann 200748 .................
Jagla 20198 ..... ...........
Kaempf 201149 ...... . ............
Kao 2006A136 ..................
Kao 2006A236 ..................
Kao 2006B136 ..................
Kao 2006B236 .......... ......
Kim 201770 ...... ............
Lee 201650 ........ ............
Lilian 197951 . ...................
Manzoni 200652 ......................
Manzoni 201653 ........... ..........
Mohamed 201354 ...... ............
Mohsen 201455 .... .............
Naseh 201756 .................. .
Nicolaeva 201557 ........ .............
Ramel 201358 .....................
Reyes 201769 ...... ...............
Sabzehei 201459 ... ..... ....
Scheurer 2016A60 .. ... ...............
Scheurer 2016B60 .. ... ...............
Slidsborg 201861 ........ ............
Stensvold 2015A12 ....................
Stensvold 2015B12 ....................
Stensvold 2015C12 ....................
Sutija 200462 ...... ...............
Szymonska 2015A13 . ............
Szymonska 2015B13 .............
Tottman 201763 ...... . ... . ..
Turai 201968 .... ...... .....
Van Der Lugt 201064 .............. .
Van der Merwe 201365 ........ .............
Vannadil 20199 ...... ...............
Villamizar 2020....................
Yoo 2013A66 ............
Yoo 2013B66 .. .. .......
Zamir 20185 . ..................
Zamir 201967 ......................
  • Arrows indicate whether there is an association (↑), reported as no significant association (↔). Dot (.) indicates no report.

  • A, adjusted; CLD, chronic lung disease; IVH, intraventricular haemorrhage; LOS, late-onset sepsis; NEC, necrotising enterocolitis; PVL, periventricular leucomalacia; ROP, retinopathy of prematurity; U, unadjusted.