Growth rate per hour (doubling time, h), fitted over 0-72 h:
  experiment 1 KO: 0.0272 (25.5 h); including 96 h: 0.0260 (26.6 h)
  experiment 1 WT: 0.0322 (21.5 h); including 96 h: 0.0304 (22.8 h)
  experiment 2 KO: 0.0286 (24.3 h); including 96 h: 0.0268 (25.9 h)
  experiment 2 WT: 0.0298 (23.3 h); including 96 h: 0.0280 (24.7 h)
  experiment 3 KO: 0.0304 (22.8 h); including 96 h: 0.0284 (24.4 h)
  experiment 3 WT: 0.0310 (22.4 h); including 96 h: 0.0296 (23.4 h)
Mean doubling time: WT 22.4 h, KO 24.1 h
KO - WT growth rate, paired over 3 experiments: -0.0022 per hour (95% CI -0.0081 to 0.0036), p = 0.2436
For comparison, Welch's t-test on 96-h counts with the 9 wells per line as n: p = 7.6e-05